Abstract: In embodiments, an electronic device may include a housing, a display panel, and an optical sensor module. The display panel is disposed in an inner space of the housing and is at least partially visible from an outside through the housing, the display including a display area, a first non-display area disposed adjacent to at least a peripheral portion of the display area, and a second non-display area disposed adjacent to at least a peripheral portion of the first non-display area. The optical sensor module is disposed in the inner space at least partially overlapping the display panel, and includes a flexible printed circuit board (FPCB), a light emitting structure disposed on the FPCB at least partially overlapping the first non-display area when the display panel is viewed from above, and a light receiving structure disposed on the FPCB at least partially overlapping the display area when the display panel is viewed from above.
Type:
Grant
Filed:
July 14, 2020
Date of Patent:
April 30, 2024
Assignee:
SAMSUNG ELECTRONICS CO., LTD.
Inventors:
Jongah Kim, Jeongho Cho, Heewoong Yoon, Donghan Lee
Abstract: A liquid crystal display device includes a first substrate, a second substrate located closer to an observer than the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate, and performs display in a twisted vertical alignment mode. Each pixel includes a reflective region where display is performed in a reflection mode. The first substrate includes a reflective electrode including a portion located in the reflective region, and a first vertical alignment film. The second substrate includes a second vertical alignment film. The liquid crystal layer includes a liquid crystal material having negative dielectric anisotropy, and a chiral agent. The reflective electrode includes silver or a silver alloy. The reflective region includes a plurality of liquid crystal domains in which reference alignment azimuths of liquid crystal molecules are different from each other.
Abstract: An imaging light emitting device, and an optical unit configured to guide imaging light emitted from the imaging light emitting device are included, and the imaging light emitting device emits the imaging light at different densities according to a distortion generated in an optical system constituting the optical unit and an image position.
Abstract: A display device includes a front plate, a display panel disposed on a back surface side of the front plate, a backlight disposed on a back surface side of the display panel, a housing that accommodates the backlight, a support member disposed on the back surface side of the front plate and outside the housing, the support member supporting the front plate, and a clamping member clamping an outer edge of the front plate and an outer edge of the support member.
Abstract: A pupil separation system includes an input surface, a central portion including a set of dichroic mirrors, a first reflective surface disposed laterally with respect to the central portion, and a second reflective surface disposed laterally with respect to the central portion. The pupil separation system also includes an exit face including a central surface operable to transmit light in a first wavelength range, a first peripheral surface adjacent the central surface and operable to transmit light in a second wavelength range, and a second peripheral surface adjacent the central surface and opposite to the first peripheral surface. The second peripheral surface is operable to transmit light in a third wavelength range.
Type:
Grant
Filed:
May 13, 2021
Date of Patent:
March 26, 2024
Assignee:
Magic Leap, Inc.
Inventors:
Ravi Kumar Komanduri, Chulwoo Oh, Kevin Messer, Ioannis Papadopoulos
Abstract: A liquid-crystal display (LCD) device includes: an array substrate on which a sub-pixel is disposed; a color filter substrate on which a color filter corresponding to the sub-pixel is disposed; and a liquid-crystal layer between the array substrate and the color filter substrate. The array substrate comprises a lens hole, the color filter substrate comprises a lens hole guide, and a diameter of the lens hole is smaller than an inner diameter of the lens hole guide.
Abstract: According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.
Abstract: Disclosed is a display device. The display device of the present disclosure includes: a display panel; a rear frame which is positioned in a rearward direction of the display panel; an inner frame which is positioned between the display panel and the rear frame, and coupled to the rear frame; and an outer frame which is coupled to the inner frame, and supports a rear surface of the display panel.
Type:
Grant
Filed:
June 6, 2022
Date of Patent:
February 13, 2024
Assignee:
LG ELECTRONICS INC.
Inventors:
Minhyun Kang, Junhee Kong, Byungchun Yoo, Hyeongryeol Kim, Hyungu Kim, Subin Kim
Abstract: According to one embodiment, an electronic apparatus comprises a liquid crystal panel, and an illumination device that illuminates the liquid crystal panel, wherein the illumination device includes a light guide having a recess portion recessed from a first side surface toward a second side surface on the first side surface, and a third side surface exposed by the recess portion and opposed to the second side surface, a plurality of first light sources opposed to the first side surface, and a plurality of second light sources located in the recess portion and opposed to the third side surface, and each of the second light sources has a light-emitting surface smaller than that of each of the first light sources.
Abstract: A light guide element includes: a light guide plate; and a diffraction element that is disposed on a main surface of the light guide plate, in which the diffraction element includes a liquid crystal layer that is formed of a liquid crystal composition including a liquid crystal compound and has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, a refractive index of the light guide plate is 1.70 or higher, and in a case where the refractive index of the light guide plate is represented by nd and a refractive index of the liquid crystal layer is represented by nk, nk?nd?0 is satisfied.
Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.
Abstract: A first organic insulating film is arranged on a first substrate in a circumference area outside an active area. A mounting portion is located in the circumference area for mounting a signal source. A second organic insulating film is formed on a second substrate in the circumference area so as to face the first substrate. The second substrate exposes the mounting portion. A seal material is arranged between the first organic insulating film and the second organic insulating film to attach the first substrate and the second substrate. A resin layer is arranged between the first organic insulating film and the second organic insulating film in the circumference area, and formed in a rectangular frame shape including four linear ends. An end along the mounting portion is formed broadly than other ends.
Abstract: The present application provides a display panel test method and a display panel test device. The display panel test method automatically searches for an alignment mark of a display panel. After the alignment mark is automatically found, a position of the alignment mark can be adjusted automatically. The alignment mark of the display panel can also be adjusted manually when the position of the alignment mark of the display panel cannot be automatically adjusted. Therefore, there is no need to conduct monitoring by manpower. After the alignment mark is found, there is no need to remove the display panel.
Type:
Grant
Filed:
December 18, 2020
Date of Patent:
December 12, 2023
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Abstract: Provided is a polymer dispersed liquid crystal display device including: a pair of substrates including an electrode on at least one substrate; and a composite layer disposed between the pair of substrates. The composite layer includes a liquid crystal component and a polymer network constituted by a cured product of a photopolymerizable liquid crystal compound, and is in a transparent state when no voltage is applied and in a scattering state when a voltage is applied, and the polymer network has a helical structure with a number of turns of from one to less than eight in the composite layer.
Abstract: The present application provides a color film substrate, a display device, and a color film substrate fabricating method. The color film substrate comprises a display region and a non-display region, wherein the color film substrate in the non-display region comprises: a base; and a photoresist layer disposed on the base; a planarization layer disposed on a side of the photoresist layer away from the base; a support layer disposed on a side of the planarization layer away from the base; wherein a total thickness of the photoresist layer, the planarization layer, and the support layer is greater than or equal to a first thickness threshold.
Abstract: Provided is a liquid crystal display device sequentially including: a first polarizer; a liquid crystal panel; a second polarizer; a biaxial retarder; a third polarizer; and a backlight including a light source and a prism sheet disposed closer to the viewing surface side than the light source is. The prism sheet includes prisms arranged in multiple columns on a surface close to the viewing surface side. The liquid crystal display has a light diffusion property curve having no side lobe or having a side lobe satisfying a ratio of a local maximum luminance to a local minimum luminance of 1.35 or less, the light diffusion property curve being obtained by plotting a luminance in a white display state in a direction perpendicular to ridge lines of the prisms against a polar angle.
Abstract: A display module and a method for driving the same, a display apparatus, and a vehicle are provided. The display module includes a backlight component, and a display component and a light-adjusting component that are located at a side of the backlight component facing toward a light-emitting direction of the display module. The backlight component includes a first light guide structure and a light regulating structure. The light-adjusting component includes first and second electrodes, and a first liquid crystal. The display module has a sharing mode and an anti-peeping mode. In the sharing mode, the first electrode and the second electrode are not energized, and the first liquid crystal is in a wide viewing angle state. In the anti-peeping mode, the first electrode and the second electrode drive the first liquid crystal to be in a narrow viewing angle state.
Abstract: An array substrate, includes: a substrate, a first metal layer, a first buffer layer, and an active layer, a gate insulating layer, a second metal layer, a first insulating layer, a third metal layer and a first planarization layer. The first metal layer is electrically connected with the first doped area of the active layer through the bridge layer of the second metal layer. The third metal layer is electrically connected with the second doped area of the active layer. The array substrate of the present disclosure reduces a size of a thin film transistor by stacking the first metal layer, the second metal layer, and the third metal layer, thereby increasing pixel density. A display panel is also provided.
Type:
Grant
Filed:
August 19, 2021
Date of Patent:
October 24, 2023
Assignee:
Wuhan China Star Optoelectronics Technology Co., Ltd.
Abstract: Nanostructured shapes comprising at least a first part and a second part. The first part has a longitudinal axis L and comprises a first absorbing material and an emitting material. The second part is connected to the first part and comprises a second absorbing material. The second part mainly absorbs light with direction of polarization other than the long axis L of the first part, and the nanostructured shape emits light mainly polarized along the long axis L of the first part. The disclosure further relates to an assembly of nanostructured shapes, to a method of synthesizing nanostructured shapes and to a polarizing light emitting plate comprising such nanostructured shapes.
Abstract: A device includes a polymer stabilized blue phase liquid crystal (“PS-BPLC”) layer. The device also includes an alignment structure coupled with the PS-BPLC layer. LC molecules disposed in contact with the alignment structure are configured to have a spatially varying in-plane orientation pattern that is at least partially defined by the alignment structure. The PS-BPLC layer is configured to forwardly deflect a polarized light having a predetermined handedness, and transmit a polarized light having a handedness that is orthogonal to the predetermined handedness.
Type:
Grant
Filed:
January 19, 2023
Date of Patent:
October 24, 2023
Assignee:
META PLATFORMS TECHNOLOGIES, LLC
Inventors:
Yuge Huang, Nicholas John Diorio, Jr., Lu Lu