IP Library Granted Patent US 10,923,066
Granted Patent B2
US 10,923,066 · App. 16/728,199 · Granted Feb 16, 2021

Display device

Inventors: Takayuki Suzuki (Tokyo, JP); Hiroyuki Abe (Tokyo, JP)
Assignee: Japan Display Inc.
G09G3/3677G02F1/1345G02F1/1368G11C19/28G11C19/287G02F1/136286G02F2001/136295G02F2201/56G09G2300/0426G09G2310/0286G09G2310/08
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Quick Facts
Patent No.
US 10,923,066
App. No.
16/728,199
Granted
Feb 16, 2021
Kind
B2
Abstract

A display device with a variant-shape display region other than the rectangular display region is configured to form a scanning line drive circuit along the variant-shape display region. The scanning line drive circuit includes bus wiring group with clock wiring for supplying clocks with three or more phases and the power supply wiring for supplying power, and the unit circuits for configuring the shift register including five or more transistors. The bus wiring and the unit circuits are formed on the different regions so as not to cross with one another.

Claims (34)

1. A display device comprising:

an outer shape of a substrate having a curved portion;

a scanning line drive circuit having a first unit circuit and a second unit circuit on the substrate;

a first clock wiring supplying a clock signal to the first unit circuit and a second unit circuit;

a first connection wiring connected between the first clock wiring and the first unit circuit;

a second connection wiring connected between the first clock wiring and the second unit circuit; wherein

the first unit circuit and the second unit circuit are located along the curved portion,

the second unit circuit is shifted from the first unit circuit in a first direction, and is shifted from the first unit circuit in a second direction which crosses the first direction,

the first clock wiring includes a X part extending in the first direction and a Y part extending in the second direction;

the first connection wiring includes a X part extending in the first direction and a Y part extending in the second direction,

the Y part of the first connection wiring is connected to the Y part of the first clock wiring and is overlapping the Y part of the first clock wiring,

the X part of the first connection wiring is connected to the first unit circuit and the Y part of the first connection wiring.

2. The display device of claim 1 , wherein

the Y part of the first connection wiring has a first end and a second end,

the first end is connected to the first clock wiring via a first contact hole,

the second end is connected to the X part of the first connection wiring.

3. The display device of claim 2 , wherein

the Y part of the first connection wiring overlaps the Y part of the first clock wiring between the first end and the second end in a plan view,

the Y part of the first connection wiring extends in parallel to the Y part of the first clock wiring between the first end and the second end in a plan view.

4. The display device of claim 1 , wherein

the second connection wiring includes a X part extending in the first direction and a Y part extending in the second direction,

the Y part of the second connection wiring is connected to the first clock wiring via a second contact hole at an intersection of the X part of the first clock wiring and the Y part of the first clock wiring,

the Y part of the second connection wiring does not overlap the Y part of the first clock wiring except the second contact hole,

the X part of the second connection wiring is connected to the second unit circuit and the Y part of the second connection wiring.

5. The display device according to claim 1 , wherein each of the first unit circuits and the second unit circuit have a same layout.

6. The display device according to claim 1 , wherein the display device has a variant-shape display region other than a rectangular display region.

7. The display device of the claim 2 , further comprises a first wiring group having a plurality of clock wirings, wherein

the first clock wiring is one of the clock wirings,

the first wiring group is located between the curved portion and scanning line drive circuit,

the X part of the first connection wiring crosses some of the clock wirings.

8. The display device of the claim 4 , further comprises a first wiring group having a plurality of clock wirings, wherein

the first clock wiring is one of the clock wirings,

the first wiring group is located between the curved portion and scanning line drive circuit,

the X part of the second connection wiring crosses some of the clock wirings.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
Priority Claims (1)
JP 2015-214354 · Oct 30, 2015 · national
Continuity (3)
Continuation 16393274 · Apr 24, 2019
Continuation 15284627 · Oct 4, 2016
Related Publication 20200135133A1 · Apr 30, 2020