Patents Examined by Jessica M Merlin
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Patent number: 11829019Abstract: A light modulation device having a pixel arrangement region in which a plurality of pixels are arranged includes a first substrate, a second substrate disposed to be opposed to the first substrate via a liquid crystal layer, and a cooling member disposed on the opposite side of the first substrate with respect to the second substrate and thermally connected to the second substrate. The cooling member includes a hollow space in which working fluid is encapsulated and changes the working fluid in a liquid phase to the working fluid in a gas phase to cool the liquid crystal layer via the second substrate.Type: GrantFiled: March 28, 2022Date of Patent: November 28, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Norikazu Kadotani, Takanori Fukuyama, Katsunori Tanaka, Minoru Moriwaki, Suguru Uchiyama
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Patent number: 11808957Abstract: A display system including a backlight including a housing receiving light emitting elements to generate and project light from the backlight and reflective portions disposed on the housing is described. A first display unit is disposed proximate the backlight and may include an upper substrate, a liquid crystal layer, and a lower substrate disposed opposite the upper substrate. A reflective polarizer may cooperate with one or more of the upper substrate and the lower substrate of the first display unit. A second display unit is disposed proximate the first display unit. The second display unit may include an upper substrate, a thin-film transistor (TFT) display layer cooperating with the upper substrate and a lower substrate disposed opposite the upper substrate that cooperates with the TFT display layer. A linear polarizer may cooperate with one or more of the upper substrate and the lower substrate of the second display unit.Type: GrantFiled: February 25, 2020Date of Patent: November 7, 2023Assignee: Visteon Global Technologies, Inc.Inventor: Paul Fredrick Luther Weindorf
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Patent number: 11809027Abstract: A pancake lens assembly includes a partially reflective mirror, a reflective polarizer, a quarter waveplate, a polarization-dependent optical device, and at least one polarization controller. When a light beam is introduced into the pancake lens assembly along an optical axis in a Z direction to pass through the polarization controller in a first state, a polarization direction of the light beam is converted by the polarization controller. When the light beam is introduced into the pancake lens assembly along the optical axis to pass through the polarization controller in a second state, the polarization direction of the light beam is prevented from being converted by the polarization controller.Type: GrantFiled: May 9, 2022Date of Patent: November 7, 2023Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITYInventors: Yi-Hsin Lin, Ting-Wei Huang, Yu-Jen Wang
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Patent number: 11796869Abstract: A display device comprises a liquid crystal panel including a plurality of pixels and an imaging device arranged on a back side of the liquid crystal panel. The imaging device has an imaging region overlaps with the imaging device and the other region other than the imaging region in a plan view. A plurality of linear electrodes is arranged separately from each other in the imaging region. Among the plurality of linear electrodes, a first pair of linear electrodes are separated by a first interval and a second pair of linear electrodes are separated by a second interval different from the first interval in a plan view. The first pair of linear electrodes and the second pair of linear electrodes are irregularly arranged.Type: GrantFiled: November 19, 2021Date of Patent: October 24, 2023Assignee: Japan Display Inc.Inventors: Tetsuya Kojima, Mitsutaka Okita
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Patent number: 11790811Abstract: A flexible display panel and an electronic device are provided. The flexible display panel may include an unbent state and a bent state. A bending part of the flexible display panel may be bent when the flexible display panel is in the bent state. The flexible display panel may include a display layer, a bonding layer, and a support layer. The bonding layer may be bonded between the display layer and the support layer. The support layer and the bonding layer may include buffer openings. The buffer openings may be positioned to at least correspond to the bending part.Type: GrantFiled: April 29, 2021Date of Patent: October 17, 2023Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Jing Chen, Chiafu Yen
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Patent number: 11789334Abstract: A tunable metasurface is provided. The tunable metasurface includes a mirror, a dielectric layer disposed on the mirror, a metallic antenna and a phase change material (PCM) layer. The PCM layer is interposed between the dielectric layer and the metallic antenna. The PCM layer is configured to be amorphous or crystalline. The mirror, the dielectric layer, the metallic antenna and the PCM layer cooperatively form a Fabry Perot cavity in which light incident on the metallic antenna from free space is reflected between the mirror and the metallic antenna. The PCM layer has blanket dimensions relative to those of the metallic antenna such that the Fabry Perot cavity is critically coupled with the free space when the PCM layer is only one of amorphous and crystalline.Type: GrantFiled: September 22, 2021Date of Patent: October 17, 2023Assignee: International Business Machines CorporationInventors: Kafai Lai, Abram L. Falk, Damon Brooks Farmer, Guy M. Cohen
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Patent number: 11782303Abstract: An electronic device includes a display module, a protection cover, a first light shielding layer, a light guide plate, a light source, a touch sensitive film, a first optical adhesive, a light shielding element, and a second light shielding layer. The first light shielding layer connects a bottom surface of the protection cover, and is configured to define a non-visible area of the electronic device. The light guide plate is located on the display module and overlaps the non-visible area. The light shielding element is located on the display module and overlaps the non-visible area. The second light shielding layer is located on the touch sensitive film and overlaps the light shielding element. The second light shielding layer is configured to absorb light transmitted in the touch sensitive film and the first optical adhesive in the non-visible area.Type: GrantFiled: August 1, 2022Date of Patent: October 10, 2023Assignee: DARWIN PRECISIONS CORPORATIONInventors: Yu-An Hsieh, Chi-Chang Chen, Chia-Hsin Chang
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Patent number: 11762230Abstract: The application discloses a touch display device including a touch display panel and a light source structure. The touch display panel has a first side used to display and a second d side opposite to the first side. The touch display panel includes a color filter substrate and an array substrate. The color filter substrate includes a color filter base having a first surface. The array substrate includes an array base having a second surface. At least one touch wiring layer is arranged on one of the first surface and the second surface. A light source structure arranged on a display side of the touch display panel is used to emit light to the touch display panel.Type: GrantFiled: March 17, 2021Date of Patent: September 19, 2023Assignee: JRD COMMUNICATION (SHENZHEN) LTD.Inventors: Yafang Xi, Ke Lin, Ping Chen, Panwei Xiong
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Patent number: 11754904Abstract: According to one embodiment, a light control device comprises a first liquid crystal cell includes a first liquid crystal layer, a second liquid crystal cell includes a second liquid crystal layer, and a third liquid crystal cell includes a third liquid crystal layer. The first liquid crystal layer and the third liquid crystal layer each have a first region that scatters a first polarization component and that transmits a second polarization component. The second liquid crystal layer has a third region that overlaps the first region and converts the second polarization component into the first polarization component.Type: GrantFiled: July 29, 2022Date of Patent: September 12, 2023Assignee: JAPAN DISPLAY INC.Inventors: Tae Kurokawa, Takeo Koito, Masashi Mitsui
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Patent number: 11747707Abstract: The present disclosure discloses a display panel and a smart device. The display panel includes a first display area and a second display area adjacent to each other. Further, the display panel further includes a display substrate, a lens on the display substrate, and a transparent cover plate covering the lens and the display substrate. The display substrate includes a first display portion in the first display area and a second transparent portion in the second display area. The lens is configured to emit a part of the light from the first display portion from the second display area.Type: GrantFiled: April 3, 2019Date of Patent: September 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Mingche Hsieh
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Patent number: 11740464Abstract: The present disclosure is related generally to techniques for improving the performance and efficiency of display systems, such as laser scan beam display systems or other types of display systems (e.g., micro-displays) of an HMD system or other device. Display systems of the present disclosure may utilize polarization multiplexing that allow for improved optimization of diffraction optics. In at least some implementations, a display system may selectively polarize light dependent on wavelength (e.g., color) or field of view. An optical combiner may include polarization sensitive diffractive optical elements that are each optimized for a subset of colors or portions of an overall field of view, thereby providing improved correction optics for a display system.Type: GrantFiled: February 2, 2021Date of Patent: August 29, 2023Assignee: Valve CorporationInventor: Joshua Mark Hudman
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Patent number: 11740503Abstract: A display screen and an electronic device are provided. The display screen includes an anti-interference film. The anti-interference film includes a plurality of light-shielding sublayers. Each of the light-shielding sublayers includes a plurality of opening portions and a plurality of light-shielding portions. An orthographic projection of light-shielding portions of one of two adjacent light-shielding sublayers on the liquid crystal display panel partially overlaps with an orthographic projection of opening portions of the other light-shielding sublayer on the liquid crystal display panel.Type: GrantFiled: August 5, 2020Date of Patent: August 29, 2023Inventors: Guiyang Zhang, Guowei Zha
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Patent number: 11719877Abstract: According to one embodiment, a display device includes a first transparent substrate including a first main surface, a second transparent substrate including a first end portion, a liquid crystal layer containing strip-shaped polymers and liquid crystal molecules, a third transparent substrate including a second end portion and a second main surface, a first light-emitting element and a first light guide. The first light guide includes a first surface and a second surface. A height from the first main surface to the second surface is less than a height from the first main surface to the second main surface.Type: GrantFiled: August 10, 2022Date of Patent: August 8, 2023Assignee: Japan Display Inc.Inventors: Yudai Numata, Kentaro Okuyama
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Patent number: 11709391Abstract: According to one embodiment, a display device includes a first substrate, a second substrate facing the first substrate and a liquid crystal layer. The first substrate includes a base material, and a sensor which outputs a detection signal based on incident light from a liquid crystal layer side. The sensor includes a photoelectric conversion element including a first surface and a second surface, a first electrode which is in contact with the first surface, and a second electrode which is in contact with the second surface. Each of the photoelectric conversion element and the second electrode is formed in an irregular shape having a plurality of curved portions and a plurality of straight portions connecting the curved portions as seen in plan view.Type: GrantFiled: June 28, 2022Date of Patent: July 25, 2023Assignee: Japan Display Inc.Inventors: Akihiko Saitoh, Masateru Morimoto, Hiroyuki Abe
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Patent number: 11709396Abstract: A display device includes a light-emitting element layer and a light control layer. The light control layer may include a plurality of separated partition wall parts including a partition wall part, a color control part between the partition wall parts, the color control part including quantum dots and a first scattering particle, and a coating layer covering a side of the partition wall part adjacent to the color control part. The coating layer includes at least one selected from a substitution dispersant and a substitution scattering particle, and each of the substitution dispersant and the substitution scattering particle may include at least one substituent selected from an amine group and a carboxyl group. The amine groups and the carboxyl groups included in the coating layer may be different in number from each other.Type: GrantFiled: February 26, 2021Date of Patent: July 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Soodong Kim, Youngsoo Kwon
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Patent number: 11703704Abstract: In a plan view, a spacer member is arranged at a position overlapping with a first line portion of a second pixel electrode. The second pixel electrode has a second connecting portion that connects the first line portion and the second line portion arranged next to the first line portion. The second connecting portion of the pixel electrode is arranged between a region where the first line portion of the second pixel electrode overlaps with the spacer member and one end portion of the first line portion of the second pixel electrode.Type: GrantFiled: July 13, 2022Date of Patent: July 18, 2023Assignee: JAPAN DISPLAY INC.Inventors: Tomokazu Ishikawa, Masateru Morimoto, Masaru Nakakomi
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Patent number: 11703725Abstract: According to one embodiment, a display device includes a driver, a pixel circuit disposed to be apart from the driver in a plan view and to be electrically connected to the driver, a first pixel electrode disposed to overlap the pixel circuit in a plan view and to be electrically connected to the pixel circuit, a second pixel electrode disposed to overlap the driver in a plan view and to be closer to an outer edge of a display area than the first pixel electrode, and a relay line disposed between the pixel circuit and the first pixel electrode and between the driver and the second pixel electrode, the relay line electrically connecting the first pixel electrode and the second pixel electrode.Type: GrantFiled: February 28, 2022Date of Patent: July 18, 2023Assignee: Japan Display Inc.Inventor: Masaya Tamaki
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Patent number: 11698547Abstract: An increase in fabricating cost of a display module including a touch sensor is suppressed. A display device which includes a first substrate, a second substrate, and liquid crystal interposed between the first substrate and the second substrate includes a display portion. The display portion includes a sensor unit and a pixel. The sensor unit includes a first transistor, a first conductive film electrically connected to a gate of the first transistor, and a second conductive film. At least part of the first conductive film overlaps with at least part of the second conductive film. The pixel includes a second transistor, and a pixel electrode electrically connected to the second transistor. At least part of the pixel electrode overlaps with at least part of the first conductive film.Type: GrantFiled: October 16, 2020Date of Patent: July 11, 2023Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Ryo Hatsumi, Tetsuji Ishitani
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Patent number: 11693280Abstract: A display device and a manufacturing method thereof are provided. The display device includes a first substrate, a first array structure layer disposed on the first substrate, and a second substrate disposed on the first array structure layer. The first array structure layer includes a photosensitive sensor, a touch sensor, and a spacer layer. The touch sensor includes a receiving electrode. The spacer layer is disposed between the photosensitive sensor and the receiving electrode. The receiving electrode is disposed on a side of the spacer layer away from the photosensitive sensor.Type: GrantFiled: October 22, 2020Date of Patent: July 4, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Bao Zha, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
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Patent number: 11693283Abstract: The present disclosure provides an electrostatic protection circuit for display panels, a method, a display panel, and a display device. The display panel includes an array substrate, a chip on film (COF) substrate connected to the array substrate, and at least a remaining testing line. The electrostatic protection circuit includes at least a first electrostatic protection line configured to connect at least the remaining testing line to a grounding line of the COF substrate.Type: GrantFiled: September 11, 2020Date of Patent: July 4, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yi Li