DISPLAY APPARATUS

Abstract

A display apparatus includes an insulating substrate having a display region, a light emitting layer formed in the display region, a first voltage pad applying a reference voltage to the display region, the first voltage pad being formed in a non-display region on the insulating substrate, a frame supporting the insulating substrate and including an insulating material, a second voltage pad formed on the frame and electrically connected with the first voltage pad and a power supplying part supplying power to the second voltage pad, the power supplying part being formed on the frame.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The above and/or other aspects and advantages of the present invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an exemplary embodiment of a display panel according to the present invention;

FIG. 2 is a schematic view of an exemplary embodiment of a frame according to the present invention;

FIG. 3 is a cross-sectional view of an exemplary embodiment of a display apparatus according to the present invention;

FIG. 4 is an equivalent circuit diagram of an exemplary embodiment of a pixel according to the present invention;

FIG. 5 is a schematic view of another exemplary embodiment of a display panel according to the present invention;

FIG. 6A is a schematic view of another exemplary embodiment of a frame according to the present invention;

FIGS. 6B and 6C are a cross-sectional views of the frame taken along line VI-VI in FIG. 6A and an enlarged portion of the frame in FIG. 6B, respectively; and

FIGS. 7A and 7B are a cross-sectional views of another exemplary embodiment of a display apparatus according to the present invention.

Claims

1. A display apparatus comprising: an insulating substrate comprising a display region;a light emitting layer formed in the display region;a first voltage pad applying a reference voltage to the display region, the first voltage pad being formed in a non-display region on the insulating substrate;a frame supporting the insulating substrate and comprising an insulating material;a second voltage pad formed on the frame and electrically connected with the first voltage pad; anda power supplying part supplying power to the second voltage pad, the power supplying part being formed on the frame.

2. The display apparatus according to claim 1, wherein the second voltage pad comprises a conductive pattern formed on the frame.

3. The display apparatus according to claim 1, wherein the first voltage pad and the second voltage pad each comprise at least one of a metal layer, an ITO (indium tin oxide) layer and an IZO (indium zinc oxide) layer.

4. The display apparatus according to claim 2, wherein the second voltage pad contacts the first voltage pad.

5. The display apparatus according to claim 1, wherein the second voltage pad corresponds to the first voltage pad and is contacted with the first voltage pad.

6. The display apparatus according to claim 1, further comprising a driving voltage line formed in the display region, wherein the reference voltage comprises a driving voltage applied to the driving voltage line.

7. The display apparatus according to claim 1, further comprising a common electrode formed in the display region, wherein the reference voltage comprises a common voltage applied to the common electrode.

8. The display apparatus according to claim 1, wherein the light emitting layer emits light through a first side of the insulating substrate, the first side being not covered by the frame.

9. The display apparatus according to claim 1, further comprising an auxiliary voltage pad interconnecting a plurality of the first voltage pad.

10. The display apparatus according to claim 9, wherein each of pairs of the plurality of the first voltage pad are disposed opposite to each other relative to the display region.

11. The display apparatus according to claim 9, wherein the auxiliary voltage pad comprises a FPC (flexible printed circuit).

12. The display apparatus according to claim 9, wherein a plurality of the auxiliary voltage pad is arranged in parallel.

13. The display apparatus according to claim 1, further comprising an anisotropic conductive film provided between the first voltage pad and the second voltage pad.

14. A display apparatus comprising: an insulating substrate comprising a display region;a light emitting layer formed in the display region;a voltage pad applying a reference voltage to the display region, the voltage pad being formed on a peripheral portion of the insulating substrate in a non-display region;a frame supporting the insulating substrate and comprising an insulating material;a conductive member formed on the frame and electrically connected with the voltage pad; anda power supplying part supplying power to the conductive member, the power supplying part being formed on the frame.

15. A display apparatus comprising: an insulating substrate comprising a display region;a light emitting layer formed in the display region;a voltage pad applying a reference voltage to the display region, the voltage pad being formed in a peripheral portion of a non-display region on the insulating substrate;an insulating frame supporting the insulating substrate;a power supplying pin formed on an inner surface of the frame and electrically connected with the voltage pad formed on the insulating substrate; anda power supplying part supplying power to the power supplying pin, the power supplying part being formed on the frame.

16. The display apparatus according to claim 15, wherein the power supplying pin presses the insulating substrate.

17. The display apparatus according to claim 16, wherein the power supplying pin comprises a head contacting the voltage pad and a pressing member pressing the head against the voltage pad.

18. The display apparatus according to claim 17, wherein a length of the pressing member is adjustable in a direction perpendicular to the inner surface with respect to a plane of the frame.

19. The display apparatus according to claim 17, wherein the pressing member comprises a spring.

20. The display apparatus according to claim 15, wherein the voltage pad contacts the power supplying pin.