# US 10,768,465 B2 · Liquid crystal display panel and display apparatus

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,768,465 B2
- Document ID: US10768465B2
- Status: Granted
- Kind: B2
- Application number: 16/315,174
- Filed: 2017-07-13
- Published: 2019-10-10
- Granted: 2020-09-08
- Earliest claimed: 2016-07-15
- Assignees: Sharp Kabushiki Kaisha
- Applicants: Sharp Kabushiki Kaisha
- Inventors: Yoshinori Yamamoto
- Web page: https://patentgrep.com/patent/US10768465B2

## CPC

- G02F 1/1335: Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02B 5/30: Polarising elements (light-modulating devices with active elements G02F1/00)
- G02F 1/13: based on liquid crystals, e.g. single liquid crystal display cells
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/133528: {Polarisers}
- G02F 2201/56: Substrates having a particular shape, e.g. non-rectangular
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

Obtained is a liquid crystal display panel that allows for a continued check on whether a polarizing plate is affixed at an appropriate position while retaining the design flexibility. In a liquid crystal display panel (10), two recess portions (BMa1) and two island portions (BMa2) are provided on an edge of a black matrix (BM), and two recess portions (3a) and two recess portions (4a) are provided on respective edges of a rear polarizing plate (3) and a front polarizing plate (4) at positions that match the two recess portions (BMa1) and the two island portions (BMa2).

## Claims

### Claim 1

A liquid crystal display panel, comprising:
a black matrix that blocks light between pixels disposed in a matrix in an image display portion; and
a pair of polarizing plates disposed on respective outer side surfaces of two substrates sandwiching the black matrix, wherein
at least two first shape portions are provided on an edge of the black matrix, the at least two first shape portions each being a shape that includes a recess portion recessed toward a center of the black matrix from the edge of the black matrix or a projection portion projecting outwardly from the center of the black matrix from the edge of the black matrix,
at least two second shape portions are provided in at least one of the pair of polarizing plates, the at least two second shape portions each being a shape that includes a recess portion recessed toward a center of the least one of the pair of polarizing plates from an edge of the at least one of the pair of polarizing plates or a projection portion projecting outwardly from the center of the at least one of the pair of polarizing plates from the edge of the at least one of the pair of the polarizing plates, and
as viewed in a plan view,
one of the at least two first shape portions and one of the at least two second shape portions are disposed at positions that match each other, and another one of the at least two first shape portions and another one of the at least two second shape portions are disposed at positions that match each other.

### Claim 2 (depends on 1)

The liquid crystal display panel according to claim 1, wherein the liquid crystal display panel is circular.

### Claim 3 (depends on 1)

The liquid crystal display panel according to claim 1, wherein the at least two first shape portions and the at least two second shape portions are disposed in a peripheral portion of the liquid crystal display panel, the peripheral portion being a region outside the image display portion.

### Claim 4 (depends on 1)

The liquid crystal display panel according to claim 1,
wherein the at least two first shape portions are disposed symmetric about a center of the black matrix, and
wherein the at least two second shape portions are disposed symmetric about a center of the polarizing plate in which the at least two second shape portions are provided.

### Claim 5 (depends on 1)

The liquid crystal display panel according to claim 1,
wherein the at least two first shape portions consist of two first shape portions,
wherein the at least two second shape portions consist of two second shape portions, and
wherein the two second shape portions are provided on the edge of each of the pair of polarizing plates.

### Claim 6 (depends on 1)

A display apparatus, comprising: the liquid crystal display panel according to claim 1.