The present invention relates to LED light fixtures and more particularly to dual LED ceiling light fixtures having a downlight housing to emit downlight and an upper light housing to optionally emit side light.
LED light fixtures have become the fixture of choice over incandescent type lighting fixtures due to its many advantageous properties, such as, its low power consumption, compactness, longer life span and multiple control features whereby the intensity and the correlated color temperature “CCT” of the LED'S can be controlled to generate a desirable light tone and color to suit a particular environment or occasion. Dual LED light fixtures are also known such as described, for example, in U.S. patent application Ser. No. 13/634,173, entitled “Lighting Apparatus” and U.S. patent application Ser. No. 16/710,777 entitled “LED Light Fixture with Nightlight”. Both these patent applications teach providing ceiling LED light fixtures of specific construction to generate downlight in a lower portion of the fixture and side night light from an upper portion of its structure.
The present invention relates to a dual LED light fixture of a novel construction which provides the user person with features permitting modifications to its upper light housing which are easy to adapt and which features are not taught by the prior art.
It is therefore a feature of the present invention to provide a ceiling mountable dual LED light fixture with optionally configurable features of its upper light housing which are easy to adapt by a user person and wherein the light fixture is also easy to install in a recessed ceiling junction box.
Another feature of the present invention is to provide a dual LED light fixture which utilizes a common power source supply and dimming circuit and independent drive current circuits to power a lower and upper LED light set simultaneously or independently.
A still further feature of the present invention is to provide a dual LED light fixture wherein the upper LED light source housing is provided with a switch which is accessible to permit for the upper light source to be activated or deactivated by a user person.
A further feature of the present invention is to provide a dual LED light fixture having a lower light housing to provide downlight and an upper light housing to provide side light, and wherein the upper light housing has a light source which is optionally made operable through a switch which can be activated by the installation of a light fixture part by a user person or by a switch which can be operated by the fingers of a user person.
Another feature of the present invention is to provide a dual LED light fixture wherein the LED's in the lower and upper housings of the light fixture are locally operable by a wall-mounted dimmer switch or remotely by an apt downloaded in a computerized wireless device, such as a smart phone or personal computer, or other like devices.
A still further feature of the present invention is to provide a dual LED light fixture wherein both white LED's and colored RGB LED's are mounted in a lower LED light housing and in an upper LED light housing and wherein the light intensity and correlated color temperatures (CCT) of the LED's can be remotely controlled by the use of an apt downloaded in a smart wireless device.
A further feature of the present invention is to provide a dual LED light fixture wherein the upper LED light housing has an open circumferential outer peripheral end wherein the light emitted by the upper LED light source is visible from behind the outer top peripheral end of the lower LED light housing creating the impression that the light fixture is detached from the ceiling and floating there above.
A still further feature of the present invention is to provide a dual LED light fixture wherein the upper LED light source is mounted in a hub region of the fixture remote from the outer peripheral side area to permit the optional connection of a circumferential opaque or light transmitting ring about the outer peripheral side area.
According to a further feature of the present invention is to provide the LED light fixture in different fixture configurations, such as a table lamp, a floor lamp or different flush ceiling mounted designs.
According to the features above, there is provided a dual LED light power supply and control circuitry. The dual LED light power supply and control circuitry may include a dimming circuit. The dimming circuit may provide input from a voltage converter to the power supply and control circuitry. A lower driver current supply circuit and an upper drive current supply circuit may be provided. The lower driver current supply circuit may supply a first set of white LEDs and a first set of colored RGB LEDs, the first set of white LEDs and the first set of colored RGB LEDs being connected in parallel. The upper driver current supply circuit may supply a second set of white LEDs and a second set of colored RGB LEDs, the second set of white LEDs and the second set of colored RGB LEDs being connected in parallel. A normally open switch may be provided. The normally open switch may connect the lower driver current supply circuit and the upper driver current supply circuit when closed, the lower driver currently supply circuit being connected to the power supply and control circuitry when the normally open switch is open or closed.
According to a further aspect of the invention, the driver current may be disconnected from the second set of white LEDs and the second set of colored RGB LEDs when the normally open switch is open.
According to a further aspect of the invention, the switch is a push-button switch positioned on a lower LED housing. The normally open switch may be closed when an upper LED housing is interfaced with the lower LED housing.
According to a further aspect of the invention, the normally open switch may be a slide switch accessible on a rear face of a division wall interfacing with an upper LED housing and a lower LED housing.
According to a further aspect of the invention, the dimming circuit may control current provided to the upper current driver supply circuit and the lower current driver supply circuit.
According to a further aspect of the invention, the normally open switch may be an electronic switch operated by a remote wireless communication device to provide remote selective operation of both the upper current driver supply circuit and the lower current driver supply circuit.
According to a further aspect of the invention, the electronic switch may be a transistor switch and/or a MOSFET switch. The remote wireless communication device may be a remote wireless control device, an app downloaded in a “smart” control device, a biometric data authentication software downloaded in a recognition device, and/or a capacitive touch actuating device.
According to a further aspect of the invention, the LED power supply and light control circuit is mounted in a central region of a top wall of an upper projecting hub formation of an upper LED housing. The central region may be provided with connectors for securement to a mounting plate attached to a recessed ceiling junction box.
According to a further aspect of the invention, the first set of white LEDs, the first set of colored RGB LEDs, the second set of white LEDs, and the second set of colored RGB LEDs may be mounted on a outer heat conductive support ring formed of an aluminum substrate to conduct and radiate heat generated by the LEDs.
According to the features above, there is provided a dual LED light fixture. The dual LED light fixture may comprise multiple components including the following. A lower LED light source housing which may include an outer circumferential LED light housing section having a first lower LED light source to generate downlight. The outer circumferential LED light housing section may have an outer diameter defined by an outer side wall and an inner diameter defined by a depending circumferential division side wall. An inner central LED light housing section may have a second lower LED light source to generate downlight. The inner central LED light housing section may have a diameter defined by the depending circumferential division side wall. An upper LED light source housing may be located on an outer circumferential light transmitting outer side area adjacent to the lower LED light source housing. The upper LED light source housing may include an upper LED light source to generate rear and/or side light illumination. The upper LED light source may be mounted in the upper LED light source housing and positioned spaced inwardly from the outer circumferential light transmitting outer side area. An LED power supply and light control circuit may be mounted in association with the LED light fixture and adapted for connection to a power source. The LED light control circuit may have a dimming circuit and a lower and upper driver current supply circuit. A switch may be operative to connect driver current to the upper LED light source when actuated to an “on” position and to disconnect driver current to the upper LED light source when in a normal “off” position. The switch may be operative for engagement to the “on” position to provide driver current to the upper LED light source and illumination from both the lower and upper LED light sources of the LED light fixture.
According to a further aspect of the invention, the first lower LED light source and the second lower LED light source may be independently operable.
According to a further aspect of the invention, the upper LED light source housing further may include a driver housing for the LED power supply and light control circuit, a top wall, and a translucent circumferential lens.
According to a further aspect of the invention, the diameter of the outer side wall and a diameter of the upper LED light source housing may be equivalent.
According to a further aspect of the invention, the top wall may have a top base for flush mount fitting with a ceiling, a top wall sidewall perpendicular to the top base, and an end opposite the top base. The end opposite the top base may be being adjacent to a top base of the translucent circumferential lens which is opposite a bottom end of the circumferential lens which is adjacent to the outer side wall. The heights of the top wall sidewall and the translucent circumferential lens may be equivalent.
According to a further aspect of the invention, the outer circumferential housing section may include a first light transmitting lens and the inner central LED light housing section may include a second light transmitting lens.
According to a further aspect of the invention, a base of the circumferential division side wall and a base of the outer side wall may be level with an exposed side of the first light transmitting lens from which both the base of the circumferential division side wall and the base of the outer side wall extend away from.
According to a further aspect of the invention, an end opposite the base of the circumferential division side wall may extend further from the exposed side of the first light transmitting lens than an end opposite of the base of the outer side wall extends.
According to a further aspect of the invention, the lower driver current supply circuit may be comprised of a first driver current circuit section operative to provide driver current to the first LED light source and a second driver current circuit section operative to provide driver current to the second LED light source. The lower driver current supply circuit may supply the first driver current circuit and the second driver current supply circuit independently or jointly.
According to a further aspect of the invention, the dimming circuit may independently or jointly control light intensity generated by the first LED light source and the second LED light source.
According to the features above, there is provided a dual LED light power supply and control circuitry. The dual LED light power supply and control circuitry may include a dimmer circuit. The dimmer circuit may provide input from a voltage converter to the power supply and control circuitry. A lower driver current supply circuit and an upper drive current supply circuit may be included. The lower driver current supply circuit may include a first LED driver circuit for driving a first set of LEDs and a second LED driver circuit for driving a second set of LEDs. The first set of LEDs and second set of LEDs may be independently operable by the dimmer circuit. The upper driver current supply circuit may supply a third set of LEDs. The third set of LEDs may be independently operable from the first set of LEDs and the second set of LEDs on the dimming circuit. A normally open switch may be included. The normally open switch may connect the lower driver current supply circuit and the upper driver current supply circuit when closed. The lower driver currently supply circuit may be connected to the power supply and control circuitry when the normally open switch is open or closed.
A preferred embodiment of the invention and modifications thereto will now be described with reference to the accompanying drawings in which:
Before any embodiments of the present invention are explained in detail, it is to be understood that the application is not limited to some of the details of construction and the arrangement of component part set forth in the following description or illustrated by the following drawings. Further, it is to be understood that the phraseology and terminology used herein is for the purpose of description of the present invention and different embodiments thereof and should not be regarded as limiting but should encompass equivalents thereof.
Referring now to the drawings, and more specifically to
An LED power supply and control circuit 22 is mounted on a circuit board 38 secured in the LED light fixture and adapted for connection to a power source, which is the voltage supply wires commonly found in an electrical junction box, as will be described later with reference to
Referring to
As shown, a normally open “NO” switch 29 is connected between the two driver current supply circuits 28 and 28′ at its switch outputs 37′, 38′, respectively, and when actuated to a closed “on” position, connects driver current to the upper LED light sets 31. Otherwise, the switch 29 is in a normal “off” position, as shown, and driver current is disconnected form the upper LED light sets 31. Therefore, when the switch is actuated to its closed “on” position, illumination from both the lower and upper LED light sources 14 and 15 is made possible.
It is further contemplated, as schematically illustrated in
The apt may also have a mode of operation to allow the unit to automatically function at different times of the day and perform selected ones of pre-set functions to operate the LED's of the lower and upper light sources, such as combinations of light dimming and CCT control to create pre-set lighting features. It is pointed out that the apt can also have a function to also operate the dimming circuit 25 of the LED sets 30 and 31, typically between warm light (about 3000K CCT) and cold light (about 6500K CCT). The method of adjusting brightness and color temperature of LED's is known in the art wherein to create an adjustable light feature depending on a desired light mood to be generated by a light fixture. It is further pointed out that the electronic switch, herein the MOSFET 29′ can also be controlled by a remote control wireless device, or by a device capable of operation using biometric data to identify a registered user person or even capacitive touch to the fixture is outed at an accessible location.
In the embodiment illustrated in
Referring again to
The solid circumferential support frame 50 also defines a transverse inwardly projecting support flange wall 52 to support a bottom light lens assembly comprised of a diffuser plate 53 on top of which is positioned a light guide plate 54 formed of transparent light conductive material to conduct light generated by the lower LED's 30 mounted on the inner face of the outer heat conductive support ring 48 and disposed in facial relationship with the outer circumferential edge of the light guide plate 54. A sheet 55 of reflective material is supported entirely over an outer surface of the light guide plate 54 to direct light downwards and above which is mounted a rigid foam material sheet 60 to provide a thermal barrier and which is supported spaced from the division wall 13 by a depending spacer flange 56 formed integral with the division wall 13.
With reference to
In a further embodiment of the present invention, as shown in
Another modification would be to make the circumferential flat ring 57 of transparent plastics material and secure it to the top edge of the sidewall 51 of the support frame 50 to provide illumination therethrough. A still further modification would be to make the rear cover plate 21 without the switch actuating post 42 and entirely of transparent plastics material. below the ceiling.
Referring now to
Having described herein above the concept of the dual LED light fixture of the present invention, incorporated in a flush-mounted ceiling LED light fixture, further embodiments of different types of LED light fixtures are now described below. The power supply and dimmer circuit, as well as the control circuit utilized to control the LED light sources, of the further embodiments is substantially the same as with the first embodiment described in detail above, and illustrated in
As shown in
Although not shown, each of the lower LED light source housing sections 82 and 83 are provided with individual sets of LED light sources and driver circuits which are independently controlled by the control circuit, in a similar fashion as described with the embodiment of
A third embodiment is now described with reference to
The LED power supply dimming circuit and light control circuit, as described with the first embodiment, is located inside the support base 91 and wiring extends inside the support post 92. As herein illustrated a manual control 98 can be provided on the support base 91 for selective operation of the forward LED light source and the rear LED light source to generate light separately or together. A dimmer switch 98 is also provided for adjusting the light intensity of both the forward and rear LED light sources in their housings 96 and 95.
Alternatively, the dimming circuit and forward and rear LED light sources driver current circuits, as well as the switch, as described in the first embodiment, may be operable by a remote wireless communication device to provide remote selective operation of the LED light sources in the forward and rear LED light source housings 96 and 95. As illustrated, the shade 94 is an integrated part of the light fixture 90 formed with an upper light diffusing lens 108, in the shape of a circumferential ring disposed in alignment with the outer circumferential light transmitting outer side area of the rear LED light source housing 95, in a like manner as with the first embodiment structure. A rigid top wall 99 is secured to a top end of the support post 92. Wires from the control circuit mounted in the base and connected to the upper light source housing 95 and 96 are concealed in the support post 92. It is pointed out that the support post 92 may have other forms and is not limited to the tubular design as herein illustrated. Similarly, the shade may have other shapes.
Referring now to
The forward LED light source housing 104 is fitted with a light transmitting globe 107, instead of a lens as previously described with the other embodiments. The globe 107 is secured about an outer open end of the forward LED light source housing 104, in a manner well known in the art, and configured to direct light in a multi-forward direction including the downward direction. A circumferential light diffusing lens 108 is secured about the rear LED light source housing 105.
Like the third embodiment described above, the LED light control circuit shown in phantom lines, is mounted in the support base 101 of said floor lamp 100. A foot control switch 109 may be provided to switch the light fixture 100 “on” and “off” and to control the light intensity. A further switch may be provided to select individual ones of the light sources and to operate them individual. However, with this embodiment of the dual LED light fixture 100 it is preferable to operate the fixture by remote wireless communication device to selectively adjust the intensity and CCT of the forward and rear LED light sources independently or jointly.
Many modifications and other embodiments of the present invention as described above will come to mind to a person skilled in the art to which the invention pertains having the benefit of the teachings described herein above and the drawings. Hence, it is to be understood that the embodiments of the present invention are not to be limited to the specific examples thereof as described herein and other embodiments are intended to be included within the scope of the present invention and the appended claims. Although the foregoing descriptions and associated drawings describe example embodiments in the context of certain examples of the elements and members and/or functions, it should be understood that different combinations of elements or substitutes and/or functions may be provided by different embodiments without departing from the scope of the present invention as defined by the appended claims. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and other equivalent terms are contemplated herein with respect to the items that they relate to. It is therefore within the ambit of the resent invention to encompass all obvious modifications of the examples of the preferred embodiment described herein provide such modifications fall within the scope of the appended claims.
Number | Date | Country | |
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63328383 | Apr 2022 | US |
Number | Date | Country | |
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Parent | 18131854 | Apr 2023 | US |
Child | 18420503 | US |