Patents Examined by Jonathan Y Jung
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Patent number: 11378726Abstract: The present disclosure provides a filter structure, a filter layer and a display panel. The filter structure includes a first transflective layer, a second transflective layer and a transparent film between the first transflective layer and the second transflective layer. The filter structure is configured to make light of a specific wavelength range in incident light incident from the first transflective layer into the filter structure be emergent from the second transflective layer by adjusting at least one of a thickness and the refractive index of the transparent film, a thickness and the refractive index of the first transflective layer, and a thickness and the refractive index of the second transflective layer, and make a transmittance of the light of the specific wavelength range be not less than 90%, by adjusting at least one of the thickness, the refractive index, and an extinction coefficient of the second transflective layer.Type: GrantFiled: January 23, 2019Date of Patent: July 5, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xianqin Meng, Wei Wang, Xiaochuan Chen
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Patent number: 11360336Abstract: Provided is a privacy protection film. The privacy protection film includes a transparent base substrate, a light control layer disposed on the transparent base substrate and including a plurality of optical pattern structures each having an upwardly protruding prism shape, a first electrode disposed on the light control layer, a second electrode spaced apart from the first electrode, and a variable light diffusion layer disposed between the first electrode and the second electrode and formed of a polymer dispersed liquid crystal (PDLC).Type: GrantFiled: December 22, 2020Date of Patent: June 14, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Seong-Il Kim, Sooyoun Kim, Junehwan Kim, Seokho Lee, Youngwook Ha
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Patent number: 11353768Abstract: A hybrid lens includes a transmissive adaptive liquid lens and an optical element including liquid crystals. The adaptive liquid lens includes a layer of optical fluid on a substrate. A focal length of the adaptive liquid lens is adjustable. The optical element including liquid crystals is optically coupled with the adaptive liquid lens. The optical element including liquid crystals is configured to adjust a refractive index across the optical element including liquid crystals in conjunction with adjusting the focal length of the adaptive liquid lens so that the optical element reduces optical artifacts caused by the adaptive liquid lens.Type: GrantFiled: December 29, 2020Date of Patent: June 7, 2022Assignee: Facebook Technologies, LLCInventors: Lu Lu, Andrew John Ouderkirk, Scott Charles McEldowney
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Patent number: 11346996Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate and including an end portion, a liquid crystal layer provided between the first substrate and the second substrate and including a polymer in a shape of a streak and a liquid crystal molecule, a light-emitting element having a light emitting portion opposed to the end portion, and a light guide located between the end portion and the light emitting portion.Type: GrantFiled: May 11, 2021Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Yudai Numata
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Patent number: 11342360Abstract: According to an aspect, an array substrate includes a first scan line, a second scan line, and a signal line. A semiconductor film has a coupling portion coupling one end of a first linear portion to one end of a second linear portion. Another end of the first linear portion of the semiconductor film and another end of the second linear portion of the semiconductor film are coupled to the signal line. In a plan view, the semiconductor film is disposed between the first scan line and the second scan line, the first linear portion intersects two first gate electrodes, and the second linear portion intersects two second gate electrodes.Type: GrantFiled: July 14, 2020Date of Patent: May 24, 2022Assignee: Japan Display Inc.Inventor: Tadayoshi Katsuta
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Patent number: 11320690Abstract: A color filter substrate includes: a first base, a first metal wire grid polarizing layer, and first sub-pixel units, second sub-pixel units and third sub-pixel units. The first sub-pixel unit includes a first light conversion pattern emitting light of a second color under excitation of incident light of a first color and a first reflective pattern reflecting the light of the first color and transmitting the light of the second color. The second sub-pixel unit includes a second light conversion pattern emitting light of a third color under the excitation of the incident light of the first color and a second reflective pattern reflecting the light of the first color and transmitting the light of the third color. The third sub-pixel unit is configured to receive the light of the first color and emit light of a fourth color or the light of the first color.Type: GrantFiled: June 17, 2020Date of Patent: May 3, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Meina Yu, Weili Zhao, Mingxing Liu, Rui Li
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Patent number: 11320691Abstract: Provided are a manufacturing method of a display substrate, a display substrate and a display device, which belongs to the field of display technologies. The manufacturing method of the display substrate includes: forming a first planarization layer on a base substrate on which a patterned film layer is formed; forming a first buffer layer on the side, away from the base substrate, of the first planarization layer; forming a second buffer layer on the side, away from the base substrate, of the first buffer layer; and forming a Wire Grid Polarizer (WGP) on the side, away from the base substrate, of the second buffer layer.Type: GrantFiled: July 11, 2019Date of Patent: May 3, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Shi Shu, Kang Guo, Qi Yao
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Patent number: 11307451Abstract: An element substrate of an electro-optical device (substrate for an electro-optical device) includes a first lens and a second lens. The first lens is formed between a first substrate and a switching element, and the second lens is formed between the switching element and a pixel electrode. The second lens includes a second lens concave surface and a second lens-forming lens layer. The second lens concave surface is recessed in a surface of an interlayer insulating film. The second lens-forming lens layer is filled in the inside of the second lens concave surface. The interlayer insulating film includes a contact hole in a location not overlapping, in a plan view, with the second lens concave surface. The contact hole electrically couples the pixel electrode to the switching element.Type: GrantFiled: February 18, 2021Date of Patent: April 19, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11294240Abstract: Diffractive optical structures, lenses, waveplates, devices, systems and methods, which have the same effect on light regardless of temperature within an operating temperature range. Temperature-compensated switchable diffractive waveplate systems, in which the diffraction efficiency can be maximized for the operating wavelength and temperature by means of adjustment of the electric potential across the liquid crystal or other anisotropic material in the diffracting state of the diffractive state, based on prior measurements of diffraction efficiency as a function of wavelength and temperature. The switchable diffractive waveplates can be a switchable diffractive waveplate diffuser, a switchable cycloidal diffractive waveplate, and a switchable diffractive waveplate lens. An electronic controller can apply an electric potential to the switchable diffractive waveplate.Type: GrantFiled: July 14, 2020Date of Patent: April 5, 2022Assignee: Beam Engineering for Advanced Measurements Co.Inventors: Nelson V. Tabirian, Justin L. Sigley, Zhi J. Liao, David E. Roberts
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Patent number: 11294112Abstract: A manufacture method of a polarizing plate includes: providing a polarizing layer, where the polarizing layer includes multiple curved areas having different curvatures; and performing stretching processing on at least some curved areas, to adjust a polarizing alignment axis direction of a stretched curved area and a corresponding viewing angle.Type: GrantFiled: December 8, 2017Date of Patent: April 5, 2022Assignee: HKC CORPORATION LIMITEDInventor: Jianfeng Shan
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Patent number: 11294234Abstract: A display device includes a display panel and an optical modulator. The display panel includes a plurality of pixels. The optical modulator is disposed over the display panel and includes a plurality of optical modulation units. The optical modulator modulates light emitted from the display panel to corresponding directions. A slant angle of the optical modulator is between 45° and 90°.Type: GrantFiled: August 25, 2020Date of Patent: April 5, 2022Assignee: InnoLux CorporationInventors: Naoki Sumi, Keiko Edo, Hao-Yu Liou
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Patent number: 11275201Abstract: A display structure for an information handling system, including a top surface layer; a first nanoporous layer; a first polarizer layer; a thin-film-transistor (TFT) layer; a second polarizer layer; and a back light layer, wherein the first nanoporous layer is positioned between the top surface layer and the first polarizer layer, and wherein the first nanoporous layer has an index of refraction less than the index of refraction of the top surface layer to reduce specular reflection of the display structure.Type: GrantFiled: June 5, 2020Date of Patent: March 15, 2022Assignee: Dell Products L.P.Inventor: Deeder M. Aurongzeb
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Patent number: 11256125Abstract: A laminate includes: a substrate layer; and an optical function layer that is layered on one surface of the substrate layer, and has a plurality of light transmission parts which are arranged in a row along a surface of the substrate layer so as to be light-transmissive, and light absorption parts in a row, each of which is arranged between adjacent ones of the light transmission parts so as to be light-absorptive, wherein on a cross section of the optical function layer in the layer thickness direction, a cross-sectional area of one of the light transmission parts to the total cross-sectional area of one of the light transmission parts and one of the light absorption parts which are adjacent to each other is 78.2% to 88.5%, and optical diffuse reflectances thereof satisfy predetermined values.Type: GrantFiled: July 25, 2019Date of Patent: February 22, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventor: Tsuyoshi Kashiwagi
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Patent number: 11249358Abstract: A display device according to an embodiment includes: a substrate; and a plurality of pixels, the plurality of pixels including a first pixel, a second pixel and a third pixel. Each of the plurality of pixels including a gate line extends in a first direction; a first transistor and a second transistor connected with the gate line; a pixel electrode that includes a first subpixel electrode and a second subpixel electrode; a first bridge that connects the first subpixel electrode and the first transistor; and a second bridge that connects the second subpixel electrode and the second transistor. At least one of the second pixel and the third pixel includes a light blocking pattern that overlaps at least one of the first transistor and the second transistor. The first bridge and the second bridge do not overlap or cross the light blocking pattern in a plan view.Type: GrantFiled: February 10, 2020Date of Patent: February 15, 2022Inventors: Dong Lim Kim, Je Hyeong Park, Kyoung-Jun Kim, Yu-Jin Kim, Chang Young Kim, Ji Hyun Min, Min Hee Son, Hyoung Wook Song, Chan Young Lim
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Patent number: 11249222Abstract: An optical film, a manufacturing method thereof and a display device are provided. The optical film includes a photonic crystal film substrate and a plurality of linear defective portions penetrating the photonic crystal film substrate in a thickness direction in the photonic crystal film substrate. A lattice period of each of the linear defective portions is different from a lattice period of the photonic crystal film substrate, and the photonic crystal film substrate includes a plurality of first regions and a plurality of second regions. The first regions and the second regions are alternately distributed along at least one direction in a plane where the photonic crystal thin film is located. The linear defective portion located in each of the first regions has a first light exiting direction. The linear defective portion in each of the second regions has a second light exiting direction.Type: GrantFiled: December 12, 2017Date of Patent: February 15, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventor: Pengming Chen
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Patent number: 11249361Abstract: An electro-optical device includes a wiring substrate including a wiring line, a common electrode, a conduction member that is electrically conductive, the conduction member being configured to electrically couple the wiring line and the common electrode, a pixel electrode disposed between the wiring substrate and the common electrode, and an electro-optical layer disposed between the pixel electrode and the common electrode. The wiring substrate includes: an insulating layer disposed between the wiring line and the common electrode, a conduction electrode between the insulating layer and the common electrode and in contact with the insulating layer, the conduction member being disposed at the conduction electrode, and a contact portion composed of a material different from the conduction electrode and penetrating the insulating layer, the contact portion being configured to electrically couple the conduction electrode and the wiring line.Type: GrantFiled: March 19, 2020Date of Patent: February 15, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11243342Abstract: Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit; and an optical film positioned in front of the display panel, and the optical film includes a base layer, a first refractive layer positioned in front of the base layer, a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer, a third refractive layer positioned at the rear of the base layer, and a fourth refractive layer positioned at the rear of the third refractive layer and having a lower refractive index than the third refractive layer.Type: GrantFiled: October 2, 2019Date of Patent: February 8, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Jun Jeong, Sei Young Kang, Min Woo Kang, Nam Seok Roh, Kwan Sik Min, Jun Sung Choi
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Patent number: 11221527Abstract: A viewing angle of emission light is widened. A width of the viewing angle is adjusted. A liquid crystal diffraction grating includes at least a first substrate, a liquid crystal layer and a second substrate. The first substrate includes a lower electrode and an upper electrode opposite to the lower electrode, and the upper electrode includes a plurality of branch electrodes that extend in a Y direction and are arranged in an X direction in a plan view. When no voltage is applied to the plurality of branch electrodes, an alignment direction of liquid crystal molecules of the liquid crystal layer is a direction along the X or Y direction. When polarizers are arranged on upper and lower sides of the liquid crystal diffraction grating, transmission axes of these polarizers are parallel to each other and parallel to the alignment direction of the liquid crystal molecules.Type: GrantFiled: July 13, 2020Date of Patent: January 11, 2022Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11204527Abstract: The present disclosure relates to the field of display technologies, and specifically discloses a liquid crystal display panel, a driving method therefor and a display device. Specifically, the liquid crystal display panel comprises: a first substrate and a second substrate arranged oppositely, as well as a plurality of liquid crystal diffraction units arranged in a same layer between the first substrate and the second substrate. Each liquid crystal diffraction unit comprises: a first electrode, a second electrode comprising at least one strip sub-electrode, as well as liquid crystal sandwiched between the first electrode and the second electrode. Furthermore, each liquid crystal diffraction unit is configured to change a deflection direction of light passing through each liquid crystal diffraction unit when voltages are applied to the first electrode and the strip sub-electrodes.Type: GrantFiled: December 7, 2017Date of Patent: December 21, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jinye Zhu
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Patent number: 11204529Abstract: A display panel and a method for manufacturing a display device are provided. The display panel includes an array substrate, a color film substrate assembled with the array substrate, and liquid crystal molecules sealed between the array substrate and the color film substrate. The array substrate comprises a pixel electrode and a common electrode, orthographic projections of the pixel electrode and the common electrode on the base substrate of the array substrate have an overlapping region, and the liquid crystal molecules have an azimuth angle of 90 degree. As a result, the display panel can have a faster response speed and is applicable to scenarios that require fast and frequent image switching.Type: GrantFiled: March 21, 2019Date of Patent: December 21, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shunhang Zhang, Shiyu Zhang, Yoonsung Um, Yunsik Im, Feng Liao