IP Library › Granted Patent US 11,543,712
Granted Patent B2
US 11,543,712 · App. 17/161,418 · Granted Jan 3, 2023

Display apparatus

Inventors: Dong Hee Shin (Asan-si, KR); Geunho Lee (Hwaseong-si, KR); Yonghee Lee (Suwon-si, KR)
Assignee: Samsung Display Co., Ltd.
G02F1/13454G02F1/13456G02F1/13458G09G3/3677G02F1/1368G09G2300/0408G09G2310/08G09G2320/0233
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Quick Facts
Patent No.
US 11,543,712
App. No.
17/161,418
Granted
Jan 3, 2023
Kind
B2
Abstract

A display apparatus includes: a display panel includes: a plurality of pixels to display an image; a gate driver to drive the pixels; a first part electrically connected to the pixels; and a second part electrically connected to the gate driver. The gate driver includes: a plurality of stages to generate a gate signal to be provided to the pixels; k number of clock wirings to provide k number of clock signals to the plurality of stages; and k number of clock bar wirings to provide k number of clock bar signals to the plurality of stages (where k is a natural number of one or greater), and the second part includes: k number of clock pads electrically connected to the k number of clock wirings, respectively; and k number of clock bar pads electrically connected to the k number of clock bar wirings, respectively. The k number of clock wirings and the k number of clock bar wirings are arranged in a first order, and the k number of clock pads and the k number of clock bar pads are arranged in a second order different from the first order.

Claims (64)

1. A display apparatus comprising a display panel including:

a plurality of pixels to display an image;

a gate driver to drive the pixels;

a first part electrically connected to the pixels; and

a second part electrically connected to the gate driver,

wherein the gate driver comprises:

a plurality of stages to generate a gate signal to be provided to the pixels;

k number of clock wirings to provide k number of clock signals to the plurality of stages; and

k number of clock bar wirings to provide k number of clock bar signals to the plurality of stages (where k is a natural number of one or greater), and

the second part comprises:

k number of clock pads electrically connected to the k number of clock wirings, respectively; and

k number of clock bar pads electrically connected to the k number of clock bar wirings, respectively,

wherein the k number of clock wirings and the k number of clock bar wirings are arranged in a first order, and the k number of clock pads and the k number of clock bar pads are arranged in a second order different from the first order,

wherein a first clock wiring of the k number of clock wirings to receive a first clock signal is disposed closer to a first clock bar wiring of the k number of clock bar wirings to receive a first clock bar signal than a second clock wiring of the k number of clock wirings to receive a second clock signal, the first clock bar signal has a phase inverted with respect to a phase of the first clock signal, and the second clock signal is delayed from the first clock signal, and

wherein a first clock pad electrically connected to the first clock wiring of the k number of clock pads is disposed closer to a second clock pad electrically connected to the second clock wiring than the first clock bar pad electrically connected to the first clock bar wiring.

2. The display apparatus of claim 1 , wherein the first clock bar wiring is disposed between the first clock wiring and the second clock wiring.

3. The display apparatus of claim 1 , wherein the first part comprises a first pad part and the second part comprises a second pad part and the display panel further comprises an intermediate wiring part to electrically connect the second pad part and the gate driver,

wherein the intermediate wiring part further comprises:

k number of first intermediate wirings to electrically connect the k number of clock pads to the k number of clock wirings, respectively; and

k number of second intermediate wirings to electrically connect the k number of clock bar pads to the k number of clock bar wirings, respectively.

4. The display apparatus of claim 3 , wherein at least one of the k number of first intermediate wirings intersects at least one of the k number of second intermediate wirings.

5. The display apparatus of claim 4 , wherein

the k number of first intermediate wirings are disposed on a first layer, and

each of the k number of second intermediate wirings comprises:

a lower wiring disposed on the first layer; and

an upper wiring disposed on a second layer different from the first layer.

6. The display apparatus of claim 5 , wherein at least one of the k number of first intermediate wirings intersects the upper wiring of at least one of the k number of second intermediate wirings.

7. The display apparatus of claim 5 , wherein the intermediate wiring part further comprises a contact part to which the lower wiring and the upper wiring are connected.

8. The display apparatus of claim 7 , wherein the lower wiring and the upper wiring are directly connected in the contact part.

9. The display apparatus of claim 7 , wherein the contact part comprises a bridge electrode to connect the lower wiring and the upper wiring.

10. The display apparatus of claim 1 , wherein the gate driver further comprises:

k number of first bridge wirings to connect the k number of clock wirings to the plurality of stages; and

k number of second bridge wirings to connect the k number of clock bar wirings to the plurality of stages.

11. The display apparatus of claim 10 , wherein the first clock bar wiring is disposed between the first clock wiring and the second clock wiring.

12. The display apparatus of claim 11 , wherein

a first bridge wiring connected to the first clock wiring is longer than a second bridge wiring connected to the first clock bar wiring, and

a first bridge wiring connected to the second clock wiring is shorter than the second bridge wiring connected to the first clock bar wiring.

13. A display apparatus comprising a display panel including:

a plurality of pixels to display an image;

a gate driver to drive the pixels;

a first part electrically connected to the pixels; and

a second part electrically connected to the gate driver,

wherein the gate driver comprises:

a plurality of stages to generate a gate signal to be applied to the pixels;

k number of clock wirings to apply k number of clock signals to the plurality of stages; and

k number of clock bar wirings to apply k number of clock bar signals to the plurality of stages (where k is a natural number of one or greater), and

the second part comprises:

k number of clock pads electrically connected to the k number of clock wirings, respectively; and

k number of clock bar pads electrically connected to the k number of clock bar wirings, respectively,

wherein a first clock wiring of the k number of clock wirings to receive a first clock signal is disposed closer to a first clock bar wiring of the k number of clock bar wirings to receive a first clock bar signal than a second clock wiring of the k number of clock wirings to receive a second clock signal, the first clock bar signal has a phase inverted with respect to a phase of the first clock signal, and the second clock signal is delayed from the first clock signal, and

wherein a first clock pad electrically connected to the first clock wiring of the k number of clock pads is disposed closer to a second clock pad electrically connected to the second clock wiring than the first clock bar pad electrically connected to the first clock bar wiring.

14. The display apparatus of claim 13 , further comprising a flexible film coupled to one side of the display panel,

wherein the flexible film is electrically connected to the first part and the second part.

15. The display apparatus of claim 13 , wherein the first part comprises a first pad part and the second part comprises a second pad part and the display panel further comprises an intermediate wiring part to connect the second pad part and the gate driver,

wherein the intermediate wiring part further comprises:

k number of first intermediate wirings to electrically connect the k number of clock pads to the k number of clock wirings, respectively; and

k number of second intermediate wirings to electrically connect the k number of clock bar pads to the k number of clock bar wirings, respectively.

16. The display apparatus of claim 15 , wherein at least one of the k number of first intermediate wirings intersects at least one of the k number of second intermediate wirings.

17. The display apparatus of claim 15 , wherein

the k number of first intermediate wirings are disposed on a first layer, and

each of the k number of second intermediate wirings comprises:

a lower wiring disposed on the first layer; and

an upper wiring disposed on a second layer different from the first layer.

18. The display apparatus of claim 17 , wherein at least one of the k number of first intermediate wirings intersects the upper wiring of at least one of the k number of second intermediate wirings.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2021
From: SHIN, DONG HEE; LEE, GEUNHO; LEE, YONGHEE
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 055069/0889 →
Priority Claims (1)
KR 10-2020-0049436 · Apr 23, 2020 · national
Continuity (1)
Related Publication 20210333607A1 · Oct 28, 2021