This application claims priority to Taiwan Application Serial Number 109135556, filed on Oct. 14, 2020, which is herein incorporated by reference in its entirety.
The present disclosure relates to an electronic device. More particularly, the present disclosure relates to a display device.
In recent years, due to needs of narrow border of a panel, many display devices are gradually using in a Chip On Film (COF) technology such that a height of a fan-out area in narrow border of a panel is compressed. Furthermore, a power consumption of a fan-out area accounts for a large proportion of a power consumption of a total panel.
For the foregoing reason, there is a need to provide structures of a display device or a display panel to solve the problems of the prior art.
One aspect of the present disclosure provides a display device. The display device includes a plurality of first pixels, a plurality of second pixels, a plurality of first multiplexers, a plurality of second multiplexers, a plurality of first traces, a plurality of second traces, and an integrated circuit. The first pixels and the second pixels are arranged in an interlaced manner. The first multiplexers are configured to control the first pixels, and include at least three first switches. One of the at least three first switches is configured to control the second pixels. The second multiplexers are configured to control the second pixels, and include at least three second switches. One of the at least three second switches is configured to control the first pixels. Each of the first multiplexers and each of the second multiplexers are arranged in an interlaced manner. The first traces are coupled to each of the first multiplexers. The second traces are coupled to each of the second multiplexers. The integrated circuit includes at least two first polarity pins and at least two second polarity pins. The at least two first polarity pins are adjacent. The at least two second polarity pins are adjacent. The at least two first polarity pins and the at least two second polarity pins are arranged in an interlaced manner. The at least two first polarity pins are coupled to the first traces. The at least two second polarity pins are coupled to the second traces. A polarity of each of the first polarity pins is opposite to a polarity of each of the second polarity pins.
The present disclosure can be more fully understood by reading the following detailed description of the embodiment, with reference made to the accompanying drawings as follows:
Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present disclosure. As used herein, the singular forms “a,” “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Furthermore, it should be understood that the terms, “comprising”, “including”, “having”, “containing”, “involving” and the like, used herein are open-ended, that is, including but not limited to.
The terms used in this specification and claims, unless otherwise stated, generally have their ordinary meanings in the art, within the context of the disclosure, and in the specific context where each term is used. Certain terms that are used to describe the disclosure are discussed below, or elsewhere in the specification, to provide additional guidance to the practitioner skilled in the art regarding the description of the disclosure.
In addition, as shown in
In some embodiments, the display area D includes a plurality of first pixels (not shown in the figure) and a plurality of second pixels (not shown in the figure), In order to facilitate the understanding of structures of a display device, detail structures will be explained in the following paragraphs.
In some embodiments, the multiplexer area A13 is located in the peripheral area A1. In some embodiments, the flexible printed circuit 120 includes a package fan-out area A2.
In some embodiments, the integrated circuit 130 is attached to the flexible printed circuit 120 through Chip on film (COF) technology, and is partly overlapped to form a bonding area A11 with the flexible printed circuit 120. In some embodiments, the bonding area A11 is located in the peripheral area A1.
In some embodiments, please refer to
In some embodiments, the data line area A14 is a narrow area which the data lines leave from multiplexer area A13 and enter before the display area D shown in
In addition, please refer to
Further, the fan-out area A12 includes the first traces T1 and the second traces T2. The first traces T1 are coupled to each of the first multiplexers (ex. the first multiplexer M11 and the first multiplexer M12). The second traces T2 are coupled to each of the second multiplexers (ex. the second multiplexer M21 and the second multiplexer M22).
In addition, the bonding area A11 includes at least two first polarity pins S1 and at least two second polarity pins S2. The at least two first polarity pins S1 are adjacent. The at least two second polarity pins S2 are adjacent. The at least two first polarity pins S1 and the at least two second polarity pins S2 are arranged in an interlaced manner. The at least two first polarity pins S1 are coupled to the first traces T1. The at least two second polarity pins S2 are coupled to the second traces T2. For example, a first polarity pin S11 and First polarity pin S12 are adjacent. A second polarity pin S21 and second polarity pin S22 are adjacent. A polarity of each of the first polarity pins is opposite to a polarity of each of the second polarity pins.
In some embodiments, in order to facilitate the understanding of a sectional view of structures of the fan-out area A12 of the display device 100 of present disclosure, please refer to
In some embodiments, each of the first traces which are coupled to the at least two first polarity pins is adjacent. Each of the second traces which are coupled to the at least two second polarity pins is adjacent. It should be noted that the structure in this embodiment is a change structure of the front section A121 of the fan-out area A12. For example, please refer to
In some embodiments, please refer to
In some embodiments, the first traces and the second traces are not coupled to each other, and form at least one cross point in a vertical projection direction. It should be noted that the structure in this embodiment is a change structure of the rear section A123 of the fan-out area A12. For example, please refer to
In some embodiments, each of the at least three first switches of the first switches includes a first end, a second end, and a control end. The second ends of the at least three first switches are all connected in parallel, and are coupled to one of the at least two first polarity pins through one of the first traces. Each of the at least three second switches of the second switches includes a first end, a second end, and a control end. The second ends of the at least three second switches are all connected in parallel, and are coupled to one of the at least two second polarity pins through one of the second traces. For example, please start from a top of components as a first end, each of three first switches of the first multiplexer M11 (ex. a first switch Z1, a first switch Z2, and a first switch Z3 shown in the figure) includes the first end, the second end, and the control end. The second ends of the three first switches of the first multiplexer M11 are all connected in parallel, and are coupled to the first polarity pin S11 through the first trace T11. The second ends of the three first switches of the first multiplexer M12 are all connected in parallel, and are coupled to the first polarity pinS12 through the first trace T12.
Similarly, each of three second switches of the second multiplexer M12 (ex. a second switch Z4, a second switch Z5, and a second switch Z6 shown in the figure) includes a first end, a second end, and a control end. The second ends of the three second switches of the second multiplexer M12 are all connected in parallel, and are coupled to the second polarity pin S21 through the second trace T21. The second ends of the three second switches of the second multiplexer M22 are all connected in parallel, and are coupled to the second polarity pin S22 through the second trace T22.
In addition, the control end of each of the first switch Z1 and the second switch Z4 is configured to receive a control signal from a first sub pixel R1. The control end of each of the first switch Z2 and the second switch Z5 is configured to receive a control signal from a second sub pixel G1. The control end of each of the first switch Z3 and the second switch Z6 is configured to receive a control signal from a third sub pixel B1.
In some embodiments, the first end of one of the at least three first switches is coupled to one of the second pixels through the first data lines. The first end of one of the at least three second switch is coupled to one of the first pixels through the second data lines. For example, please refer to
In some embodiments, the pair of first polarity pins S1 A includes at least three first polarity pins and the pair of second polarity pins S2A includes at least three second polarity pins. The at least three first polarity pins are adjacent. The at least three second polarity pins are adjacent. The at least three first polarity pins and the at least three second polarity pins are arranged in an interlaced manner. The at least three first polarity pins are coupled to the first traces, and the at least three second polarity pins are coupled to the second traces. For example, please refer to
In addition, the first polarity pins S11A are coupled to the first multiplexer M11A through the first traces T11A. The first polarity pins S12A are coupled to the first multiplexer M12A through the first trace T12A. The first polarity pins S13A are coupled to the first multiplexer M13A through the first trace T13A.
Similarly, the second polarity pins S21A are coupled to the second multiplexer M21A through the second trace T21A. The second polarity pins S22A are coupled to the second multiplexer M22A through the second trace T22A. The second polarity pins S23A are coupled to the second multiplexer M23A through the second trace T23A.
In some embodiments, the fan-out area A12 further includes a third conductive layer. The third conductive layer is disposed on the second conductive layer. Adjacent three first traces of the first traces are disposed on the first conductive layer, the second conductive layer, and the third conductive layer respectively, and are overlapped to each other in a vertical projection direction. Adjacent three second traces of the second traces are disposed on the first conductive layer, the second conductive layer, and the third conductive layer respectively, and are overlapped to each other in a vertical projection direction. For example, a first trace T11A, a first trace T12A, and a first trace T13A are adjacent, are disposed on the different layers, and are overlapped to each other in a vertical projection direction. A second trace T21A, a second trace T22A, and a second trace T23A are adjacent, are disposed on the different layers, and are overlapped to each other in a vertical projection direction.
In some embodiments, each of adjacent three first traces of the first traces is not coupled to each of adjacent three second traces of the second traces. For example, the first trace T11A and the second trace T21A are located on the first conductive layer. The first trace T12A and the second trace T22A are located on the second conductive layer. The first trace T13A and the second trace T23A are located on the third conductive layer. Each of the first traces T1A is not coupled to each of the second traces T2A.
In some embodiments, please refer to
In addition, the second multiplexer M21 B includes six switches. The six switches from top to bottom are a switch Z7B, a switch Z8B, a switch Z9B, a switch Z10B, a switch Z11B, and a switch Z12B. Each of the six switches includes a first end, a second end, and a control end. Each of the second end of the switch Z7B, the switch Z8B, the switch Z9B, the switch Z10B, the switch Z11B, and the switch Z12B is connected in parallel.
In some embodiments, each of the control end of the switch Z1 B and the switch Z7B is configured to receive a control signal from a first sub pixel R1. Each of the control end of the switch Z2B and the switch Z8B is configured to receive a control signal from a second sub pixel G1. Each of the control end of the switch Z3B and the switch Z9B is configured to receive a control signal from a third sub pixel B1.
In addition, each of the control end of the switch Z4B and the switch Z10B is configured to receive a control signal from a first sub pixel R2. Each of the control end of the switch Z5B and the switch Z11B is configured to receive a control signal from a second sub pixel G2. Each of the control end of the switch Z6B and the switch Z12B is configured to receive a control signal from a third sub pixel B2.
In some embodiments, two of the six switches of the first multiplexer control the first pixel in the first order, one of the six switches of the first multiplexer controls the first pixel in the third order, one of the six switches of the first multiplexer controls the second pixel in the second order, two of the six switches of the first multiplexer control the second pixel in the fourth order. In some embodiments, one of the six switches of the second multiplexer controls the first pixel in the first order, two of the six switches of the second multiplexer control the first pixel in the third order, two of the six switches of the second multiplexer control the second pixel in the second order, one of the six switches of the second multiplexer controls the second pixel in the fourth order. For example, the switch Z1 B and the switch Z3B of the first multiplexer M11B control the first pixel P11 B in the first order. The switch Z5B controls the second pixel P21 B in the second order. However, the switch Z2B the first pixel P12B in the third order. The switch Z4B and the switch Z6B control the second pixel P22B in the fourth order.
In addition, the switch Z7B and the switch Z9B of the second multiplexer M21 B control the first pixel P12B in the third order. The switch Z11B controls the second pixel P22B in the fourth order. However, the switch Z8B controls the first pixel P11B in the first order. The switch Z10B and the switch Z12B control the second pixel P21 B in the second order.
In some embodiments, the peripheral area A1 shown in
In some embodiments, compared to a consumption of the fan-out area of a prior art, a consumption of the fan-out area A12 can be reduced by about half due to a design of a two-polarity pins arrangement of the aforementioned embodiments in
In some embodiments, compared to a consumption and a space height of the fan-out area of a prior art, a consumption of the fan-out area A12 can be reduced by about two-thirds due to a design of a three-polarity pins arrangement of the aforementioned embodiments in
In some embodiments, compared to a consumption of the fan-out area of three quarters due to a design of the multiplexers of the aforementioned embodiments in
Based on the above embodiments, the present disclosure provides a display device so as to improve a consumption of a fan-out area of a display device. A design of a fan-out area of the present disclosure can reduce a space of a fan-out area for other circuit designs. The electric energy of a display device can be used effectively due to a design of a fan-out area of the present disclosure.
Although the present disclosure has been described in considerable detail with reference to certain embodiments thereof, other embodiments are possible. Therefore, the spirit and scope of the appended claims should not be limited to the description of the embodiments contained herein.
It will be apparent to those skilled in the art that various modifications and variations can be made to the structure of the present disclosure without departing from the scope or spirit of the present disclosure. In view of the foregoing, it is intended that the present disclosure cover modifications and variations of the present disclosure provided they fall within the scope of the following claims.
Number | Date | Country | Kind |
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109135556 | Oct 2020 | TW | national |