IP Library Granted Patent US 8,629,962
Granted Patent B2
US 8,629,962 · App. 13/239,825 · Granted Jan 14, 2014

Liquid crystal display panel having particular slit-shaped openings in an upper electrode

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,629,962
App. No.
13/239,825
Granted
Jan 14, 2014
Kind
B2
Abstract

A liquid crystal display panel includes: first and second substrates facing each other. The first substrate includes a plurality of scanning lines and signal lines intersecting each other, an upper electrode having a plurality of slit-shaped openings formed for each sub-pixel, and a lower electrode. The second substrate includes a light-shielding layer formed so as to overlap the scanning line and a signal line in a plan view, and a color filter layer formed in each of the sub-pixels defined by the scanning lines and the signal lines. A single pixel is formed by the plurality of sub-pixels including the color filter layers of different colors, respectively. The length of the slit-shaped opening in a longitudinal direction in the sub-pixel corresponding to at least one color is shorter than the length of the slit-shaped opening in the longitudinal direction in the sub-pixel corresponding to the other colors.

Claims (13)

1. A liquid crystal display panel comprising:

first and second substrates facing each other with a liquid crystal layer interposed therebetween,

wherein the first substrate includes

a plurality of scanning lines and signal lines intersecting each other in an insulated state,

an upper electrode having a plurality of slit-shaped openings formed for each of sub-pixels defined by the scanning lines and the signal lines, and

a lower electrode formed so as to be closer to the first substrate with an insulation layer interposed between the upper and lower electrodes,

wherein the second substrate includes

a light-shielding layer formed so as to overlap the scanning line and a signal line in a plan view, and

a color filter layer formed in each of the sub-pixels defined by the scanning lines and the signal lines,

wherein a single pixel is formed by the plurality of sub-pixels including the color filter layers of different colors, respectively, and

wherein the length of the slit-shaped opening in a longitudinal direction in the sub-pixel corresponding to at least one color is shorter than the length of the slit-shaped opening in the longitudinal direction in the sub-pixel corresponding to the other colors.

2. The liquid crystal display panel according to claim 1 , wherein in the sub-pixel corresponding to at least one color, both ends of the slit-shaped opening and the light-shielding layer do not superimpose each other in a plan view.

3. The liquid crystal display panel according to claim 1 , wherein the color filter layer includes red, green, and blue color filter layers and the sub-pixel corresponding to at least one color is the green sub-pixel.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072398/0001 →
MERGER AND CHANGE OF NAME Recorded Jul 24, 2025
From: JAPAN DISPLAY EAST INC.; JAPAN DISPLAY WEST INC.
To: JAPAN DISPLAY INC.
Reel/Frame 071935/0063 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2013
From: SONY CORPORATION
To: JAPAN DISPLAY WEST INC.
Reel/Frame 030182/0522 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 20, 2011
From: OTA, AKIO
To: SONY CORPORATION
Reel/Frame 027094/0657 →