# US 10,503,022 B2 · Liquid crystal panel and liquid crystal display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,503,022 B2 - Document ID: US10503022B2 - Status: Granted - Kind: B2 - Application number: 15/685,681 - Filed: 2017-08-24 - Published: 2017-12-07 - Granted: 2019-12-10 - Earliest claimed: 2015-02-26 - Assignees: Sakai Display Products Corporation - Applicants: Sakai Display Products Corporation - Inventors: Yukio Yoshida; Masae Kitayama; Nobuo Okano; Mitsuaki Hirata - Web page: https://patentgrep.com/patent/US10503022B2 ## CPC - G02F 1/133753: {with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle} - G02F 1/136209: {Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/133504: {Diffusing, scattering, diffracting elements (associated to illuminating devices G02F1/133606)} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/133514: {Colour filters} - G02F 1/133528: {Polarisers} - G02F 1/133738: {for homogeneous alignment} - G02F 1/133757: {with different alignment orientations} - G02F 1/133776: {having structures locally influencing the alignment, e.g. unevenness} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - 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 ## Abstract A liquid crystal panel according to an embodiment of the present invention comprises: a liquid crystal layer containing liquid crystal molecules; a first alignment film in contact with a front surface of the liquid crystal layer; and a second alignment film in contact with a rear surface of the liquid crystal layer, the liquid crystal panel being curved in the shape of a cylindrical surface. The first alignment film includes a plurality of first strip portions extending along a first direction and causing the liquid crystal molecules to be aligned. The second alignment film includes a plurality of second strip portions extending along a second direction and causing the liquid crystal molecules to be aligned. The first direction is a peripheral direction of the cylindrical surface. The second direction is a direction which crosses the peripheral direction. ## Claims ### Claim 1 A liquid crystal panel comprising: a liquid crystal layer containing liquid crystal molecules; a first alignment film in contact with a front surface of the liquid crystal layer; and a second alignment film in contact with a rear surface of the liquid crystal layer, the liquid crystal panel being curved in the shape of a cylindrical surface, wherein, the first alignment film includes a plurality of first strip portions extending along a first direction and causing the liquid crystal molecules to be aligned; the second alignment film includes a plurality of second strip portions extending along a second direction and causing the liquid crystal molecules to be aligned; the first direction is a peripheral direction of the cylindrical surface; and the second direction is a direction which crosses the peripheral direction; the liquid crystal panel further including a plurality of first light shielding portions extending along the peripheral direction, and a plurality of second light shielding portions extending along a direction which crosses the peripheral direction; wherein the plurality of first light shielding portions and the plurality of second light shielding portions define a plurality of pixels; the plurality of second light shielding portions are closer to a rear surface of the liquid crystal panel than is the second alignment film; the plurality of second light shielding portions are a plurality of first wiring lines extending along a direction which crosses the peripheral direction; the plurality of first light shielding portions are a plurality of second wiring lines extending along the peripheral direction; a plurality of switching elements are in a matrix arrangement, and each of the plurality of switching elements is electrically connected to one of the plurality of first wiring lines and one of the plurality of second wiring lines; the liquid crystal panel further including a first substrate and a second substrate opposed to each other via the liquid crystal layer, wherein; the first substrate includes the first alignment film; the first substrate further includes a color filter layer having colored layers and a plurality of light shielding members forming openings therebetween, wherein the colored layers are not disposed in the entire openings; the second substrate includes the second alignment film; and the second substrate further includes the plurality of first wiring lines and the plurality of second wiring lines. ### Claim 2 (depends on 1) The liquid crystal panel of claim 1, further comprising: the plurality of light-shielding members closer to a frontal surface of the liquid crystal panel than the first alignment film, the plurality of light-shielding members shielding the plurality of switching elements from light. ### Claim 3 (depends on 1) The liquid crystal panel of claim 1, each pixel including a plurality of domains in which the liquid crystal molecules are subject to respectively different directions of alignment. ### Claim 4 (depends on 1) A liquid crystal display apparatus comprising: the liquid crystal panel of claim 1; and an illuminator to illuminate the liquid crystal panel through the rear surface of the liquid crystal panel, wherein, the first alignment film is located on the opposite side to the illuminator with respect to the liquid crystal layer; and the second alignment film is located on the same side as the illuminator with respect to the liquid crystal layer.