# US 2014/0152945 A1 · Lcd panel, electronic device, and method for producing lcd panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152945 A1 - Document ID: US20140152945A1 - Status: Published application - Kind: A1 - Application number: 14/236,130 - Filed: 2012-07-25 - Published: 2014-06-05 - Earliest claimed: 2011-08-01 - Assignees: Sharp Kabushiki Kaisha - Inventors: Hisashi Watanabe; Akira Sakai; Yuichi Iyama; Akiko Miyazaki; Eiji Satoh; Yasushi Asaoka - Web page: https://patentgrep.com/patent/US20140152945A1 ## CPC - G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)} - G02F 1/133377: {Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel} - G02F 1/133388: {with constructional differences between the display region and the peripheral region} - 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 display panel (100A) includes: a first substrate (2) and a second substrate (3), a liquid crystal layer (1) retained between the first substrate (2) and the second substrate (3), and plurality of pixels. The liquid crystal layer (1) has a first liquid crystal region (81) and a second liquid crystal region (82) provided outside the first liquid crystal region (81). The first liquid crystal region (81) is essentially composed of a nematic liquid crystal material alone, whereas the second liquid crystal region (82) has a plurality of liquid crystal subregions (11) containing a nematic liquid crystal material and polymer-containing walls (12) formed between adjacent ones of the plurality of liquid crystal subregions (11). The plurality of pixels include pixels accounting for the first liquid crystal region (81) and pixels accounting for the second liquid crystal region (82). ## Claims ### Claim 1 A liquid crystal display panel comprising: a first substrate and a second substrate and a liquid crystal layer retained between the first substrate and the second substrate, the liquid crystal display panel having a plurality of pixels, wherein the liquid crystal layer has a first liquid crystal region and a second liquid crystal region provided outside the first liquid crystal region; the first liquid crystal region is composed essentially of a nematic liquid crystal material alone; the second liquid crystal region has a plurality of liquid crystal subregions containing a nematic liquid crystal material and polymer-containing walls formed between adjacent ones of the plurality of liquid crystal subregions; and the plurality of pixels include pixels accounting for the first liquid crystal region and pixels accounting for the second liquid crystal region. ### Claim 2 (depends on 1) The liquid crystal display panel of claim 1, wherein, when viewed from a normal direction of the liquid crystal display panel, at least one outer side face of the second liquid crystal region is level with at least one of side faces of the first substrate and side faces of the second substrate. ### Claim 3 (depends on 1) The liquid crystal display panel of claim 1, wherein a sealing portion is formed between at least one side face of the second liquid crystal region and at least one side face of the first substrate. ### Claim 4 (depends on 1) The liquid crystal display panel of claim 1, wherein no sealing portion is formed between the first substrate and the second substrate. ### Claim 5 (depends on 1) The liquid crystal display panel of claim 1, further comprising: a first alignment film and a second alignment film formed between the first liquid crystal region and second liquid crystal region and the first substrate and second substrate so as to be in contact with the first liquid crystal region and the second liquid crystal region; and polarizers respectively provided on sides of the first substrate and the second substrate opposite from the liquid crystal layer. ### Claim 6 (depends on 5) The liquid crystal display panel of claim 5, wherein the liquid crystal display panel is a normally-black mode liquid crystal display panel. ### Claim 7 (depends on 5) The liquid crystal display panel of claim 5, wherein the liquid crystal display panel is a normally-white mode liquid crystal display panel. ### Claim 8 (depends on 5) The liquid crystal display panel of claim 5, wherein, the nematic liquid crystal material has positive dielectric anisotropy; at least one of the first alignment film and the second alignment film is a horizontal alignment film; the horizontal alignment film has been subjected to an alignment treatment; and, in the first liquid crystal region and in the plurality of liquid crystal subregions, in the absence of applied voltage, an in-plane azimuth of liquid crystal molecules at an interface with the horizontal alignment film which has been subjected to an alignment treatment is parallel to an azimuth defined by the alignment treatment. ### Claim 9 (depends on 8) The liquid crystal display panel of claim 8 including two liquid crystal regions such that, in the absence of applied voltage, an azimuth of tilt of liquid crystal molecules at an interface with the first alignment film in the first liquid crystal region and in the plurality of liquid crystal subregions differs from an azimuth of tilt of liquid crystal molecules at an interface with the second alignment film in the first liquid crystal region and in the plurality of liquid crystal subregions. ### Claim 10 (depends on 5) The liquid crystal display panel of claim 5, wherein the nematic liquid crystal material has negative dielectric anisotropy; and the first alignment film and the second alignment film are vertical alignment films. ### Claim 11 (depends on 1) The liquid crystal display panel of any of claim 1, wherein the second liquid crystal region has a width of 1.5 mm or less. ### Claim 12 (depends on 1) The liquid crystal display panel of claim 1, further comprising a side-face sealing resin portion formed so as to be in contact with an outer side face of the second liquid crystal region, a side face of the first substrate, and a side face of the second substrate. ### Claim 13 (depends on 1) An electronic device comprising first and second liquid crystal display panels, each of the first and second liquid crystal display panels being the liquid crystal display panel of claim 1, wherein the first and second liquid crystal display panels are disposed so that a first side face and a second side face adjoin each other, the first side face being a side face of the first liquid crystal display panel containing a side face of the second liquid crystal region, and the second side face being a side face of the second liquid crystal display panel containing a side face of the second liquid crystal region. ### Claim 14 (depends on 13) The electronic device of claim 13 being foldable around an axis which is a boundary between the first side face and the second side face. ### Claim 15 (canceled)