IP Library Granted Patent US 10,359,661
Granted Patent B2
US 10,359,661 · App. 15/992,191 · Granted Jul 23, 2019

Liquid crystal display device

Inventors: Hiroshi Ibaraki (Hyogo, JP); Tomohiro Murakoso (Hyogo, JP)
Assignee: Panasonic Liquid Crystal Display Co., Ltd.
G02F1/133512G02F1/136204G02F1/136286G02F1/13454G02F2001/133388G02F2202/22
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Quick Facts
Patent No.
US 10,359,661
App. No.
15/992,191
Granted
Jul 23, 2019
Kind
B2
Abstract

In a liquid crystal display device, a display panel includes a display region in which an image is to be displayed, and a non-display region formed into a frame shape surrounding the display region. The non-display region includes a first region in which the gate driver is arranged, and a second region in which the source driver is arranged. The non-display region has a non-light transmitting layer formed therein, which is configured to restrict transmission of light. The non-light transmitting layer has a first slit formed therein, which extends through the first region and the second region and passes through the non-light transmitting layer.

Claims (18)

1. A liquid crystal display device, comprising:

a display panel comprising a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a plurality of gate lines extending in a row direction, and a plurality of data lines extending in a column direction; and

an upper frame arranged on a front surface side of the display panel, wherein

the display panel comprises a display region in which an image is to be displayed, and a non-display region formed into a frame shape surrounding the display region, the non-display region having a non-light transmitting layer formed therein, the non-light transmitting layer formed therein being configured to restrict transmission of light, wherein

the non-display region comprises an overlapping region overlapping with the upper frame in plan view, and a non-overlapping region free from overlapping with the upper frame in the plan view,

the non-light transmitting layer has a first slit formed therein, which passes through the non-light transmitting layer,

the non-light transmitting layer further has a second slit formed therein, which passes through the non-light transmitting layer,

at least part of the first slit is formed in the overlapping region, and

at least part of the second slit is formed along the first slit and between the first slit and the display region.

2. The liquid crystal display device of claim 1 , wherein

entire part of the first slit is formed in the overlapping region.

3. The liquid crystal display device of claim 1 , wherein

the first slit is formed in four sides of the non-display region, and

all of the first slit is formed in the overlapping region.

4. The liquid crystal display device of claim 2 , wherein

a width of the overlapping region is larger than a width of the non-overlapping region.

5. The liquid crystal display device of claim 1 , wherein

the first slit is formed between a gate driver located in the display panel nad the display region in the plan view.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2023
From: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
To: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Reel/Frame 064292/0775 →
Continuity (2)
Continuation 15009839 · Jan 29, 2016
Related Publication 20180275455A1 · Sep 27, 2018