Microlenses Patents (Class 349/95)
  • Patent number: 11209690
    Abstract: A display panel and a display device are disclosed. The display panel includes: color photoresist patterns, black matrix patterns for spacing the color photoresist patterns from each other; and a plurality of light-modulating components on sides of the color photoresist patterns and the black matrix patterns away from a light-emitting surface of the display panel, wherein each of the color photoresist patterns corresponds to at least one of the light-modulating components, and the light-modulating components are configured to converge light incident thereon, and to transmit the converged light to the color photoresist patterns corresponding thereto.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: December 28, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Kuanta Huang, Pengcheng Lu
  • Patent number: 11209691
    Abstract: A second substrate of an electro-optical device includes a first light-shielding layer formed around a display region, and a peripheral region of a first substrate is provided with a second light-shielding layer, a third light-shielding layer, and a translucent region overlapping neither the second light-shielding layer nor the third light-shielding layer. A maximum incident angle ? of light-source light being incident on an electro-optical layer from the second substrate, a maximum width W of the translucent region, and a thickness d between an end portion on an edge of the third light-shielding layer at a side opposite to the first light-shielding layer, and the first light-shielding layer satisfy the following relationship: W<2×d×tan ?.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: December 28, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Teiichiro Nakamura
  • Patent number: 11176896
    Abstract: A multi-layer display device and a method for driving the same are disclosed, in which an image of a front display panel may be displayed without being affected by an image of a rear display panel, and an image of a rear display panel may be displayed without being affected by an image of a front display panel. The multi-layer display device comprises a first display panel; and a second display panel arranged on a rear surface of the first display panel. The second display panel displays a second white image for a time period when the first display panel displays a first source image. The first display panel displays a first white image for a time period when the second display panel displays a second source image.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 16, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: ChangHo Lee, YoonSung Tak
  • Patent number: 11152417
    Abstract: The present disclosure is directed to anchor structures and methods for forming anchor structures such that planarization and wafer bonding can be uniform. Anchor structures can include anchor layers formed on a dielectric layer surface and anchor pads formed in the anchor layer and on the dielectric layer surface. The anchor layer material can be selected such that the planarization selectivity of the anchor layer, anchor pads, and the interconnection material can be substantially the same as one another. Anchor pads can provide uniform density of structures that have the same or similar material.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: October 19, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chia-Yu Wei, Cheng-Yuan Li, Hsin-Chi Chen, Kuo-Cheng Lee, Hsun-Ying Huang, Yen-Liang Lin
  • Patent number: 11137633
    Abstract: An optical substrate according to the present disclosure includes a base having translucency, a translucent layer having translucency, and a lens layer that is disposed between the base and the translucent layer and includes a lens assembly including a plurality of lenses. The lens assembly and the base are disposed with a space therebetween. The lens layer includes a through hole that extends through the lens layer in a thickness direction. The translucent layer is disposed over the through hole.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: October 5, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 11131793
    Abstract: A method and an apparatus for enhancing display visibility of a multiple pixel display. The apparatus may include: (i) an array of spatial filters that may be construed and arranged to block side ambient radiation. Each spatial filter has a minimal thickness of microscopic scale; (ii) transparent elements that may be positioned between the spatial filters of the array; (iii) a first array of microlenses that may be arranged and construed to focus the radiation generated by the display to provide focused radiation that propagates through the transparent elements without impinging on the array of spatial filters; and (iv) a second array of microlenses that may be arranged and construed to re-collimate the focused radiation to provide an output radiation.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: September 28, 2021
    Assignee: PHONEOPTIKA LTD
    Inventors: Shraga Tsur, Arie Heiman
  • Patent number: 11094729
    Abstract: A semiconductor device is provided as a back-illuminated solid-state imaging device. The device is manufactured by bonding a first semiconductor wafer with a pixel array in a half-finished product state and a second semiconductor wafer with a logic circuit in a half-finished product state together, making the first semiconductor wafer into a thin film, electrically connecting the pixel array and the logic circuit, making the pixel array and the logic circuit into a finished product state, and dividing the first semiconductor wafer and the second semiconductor being bonded together into microchips.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 17, 2021
    Inventors: Taku Umebayashi, Hiroshi Takahashi, Reijiroh Shohji
  • Patent number: 11069880
    Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Jung Huh, Soo Min Baek, Ji Won Lee, Ju Hwa Ha
  • Patent number: 11061277
    Abstract: A diffusion sheet, a backlight module, a liquid crystal display panel and a display device are disclosed. The diffusion sheet comprises a base layer, a white printed layer and a black printed layer. The base layer comprises a peripheral region and a light transmitting region. The white printed layer and the black printed layer are arranged in the peripheral region. In a direction from a light incident surface to a light exit surface of the base layer, the black printed layer and the white printed layer are arranged in this order. An orthographic projection of the black printed layer on the base layer falls within an orthographic projection of the white printed layer on the base layer. In this way, the white printed layer can block a shadow which is formed by reflection of the black printed layer from the prismatic sheet, and thus improve the display quality.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: July 13, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kaiwen Wang, Mookeun Shin, Hui Dong, Aixia Sang, Haifeng Xu
  • Patent number: 11024651
    Abstract: There is provided a display device including: a first substrate that is a silicon substrate and on which a plurality of light-emitting elements is formed; a second substrate including, on a surface, a color filter layer including a plurality of color filters arrayed and a microlens layer including a plurality of microlenses arrayed that are layered in this order, the microlens layer being arranged to face the plurality of light-emitting elements with respect to the first substrate; and an adhesive layer that fills a gap between the first substrate and the second substrate for bonding the first substrate and the second substrate together.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 1, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Koji Matsusaki, Yosuke Motoyama
  • Patent number: 10948785
    Abstract: An electro-optical device according to the present disclosure includes an insulating base having translucency and insulating properties, a pixel electrode disposed apart from the insulating base, and a switching element electrically coupled to the pixel electrode. The insulating base includes a base portion, and a lens portion that is located between the base portion and the pixel electrode and includes a lens overlapping the pixel electrode in plan view when viewed from a thickness direction of the pixel electrode. The base portion and the lens are disposed with a space therebetween.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: March 16, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Satoshi Ito
  • Patent number: 10948763
    Abstract: An image quality improving member comprising: a uniaxial anisotropic optical lens having a refractive index distribution in a first direction orthogonal to an optical axis of incident light, the optical lens condensing light vibrating in the first direction in the incident light; a translucent first substrate in which a black matrix including a plurality of first openings transmitting light output from the optical lens is formed; and a first polarizing plate disposed on the first substrate, the first polarizing plate having an absorption axis in a second direction orthogonal to the first direction when viewed from a direction of the optical axis.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: March 16, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Daisuke Kajita
  • Patent number: 10901122
    Abstract: The present disclosure pertains to the field of screen. It is an object of the present disclosure to provide a transmissive screen including a microlens array. The screen of the present disclosure further comprises an aperture array arranged on a surface opposite to the surface on which the microlens array is disposed. A light shielding portion of the aperture array is a metal film. The transmissive screen of the present disclosure can be used for a display.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: January 26, 2021
    Assignee: KURARAY Co., Ltd.
    Inventors: Junji Watanabe, Masaru Karai, Tomohiro Takahashi, Chikafumi Kurahashi
  • Patent number: 10890797
    Abstract: A second substrate of an electro-optical device includes a first light-shielding layer formed around a display region, and a peripheral region of a first substrate is provided with a second light-shielding layer, a third light-shielding layer, and a translucent region overlapping neither the second light-shielding layer nor the third light-shielding layer. A maximum incident angle ? of light-source light being incident on an electro-optical layer from the second substrate, a maximum width W of the translucent region, and a thickness d between an end portion on an edge of the third light-shielding layer at a side opposite to the first light-shielding layer, and the first light-shielding layer satisfy the following relationship: W<2×d×tan ?.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: January 12, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Teiichiro Nakamura
  • Patent number: 10866454
    Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Yafeng Yang, Jian Gao, Can Zhang, Wei Wang, Jifeng Tan, Xinli Ma
  • Patent number: 10840287
    Abstract: An interconnect apparatus and a method of forming the interconnect apparatus is provided. Two substrates, such as wafers, dies, or a wafer and a die, are bonded together. A first mask is used to form a first opening extending partially to an interconnect formed on the first wafer. A dielectric liner is formed, and then another etch process is performed using the same mask. The etch process continues to expose interconnects formed on the first substrate and the second substrate. The opening is filled with a conductive material to form a conductive plug.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 17, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shih Pei Chou, Hung-Wen Hsu, Ching-Chung Su, Chun-Han Tsao, Chia-Chieh Lin, Shu-Ting Tsai, Jiech-Fun Lu, Shih-Chang Liu, Yeur-Luen Tu, Chia-Shiung Tsai
  • Patent number: 10831045
    Abstract: A display panel and a method for manufacturing the same, and a display device, and the display panel includes a first electrode layer and a second electrode layer; a first matrix including a plurality of grooves; and a second matrix, disposed in the grooves of the first matrix; the grooves are shaped so as to enable total reflection of light which is incident incident from the second matrix or the first matrix to an interface between the second matrix and the first matrix, and at least one of the first matrix and the second matrix is configured to change its refractive index in operation according to a change of a voltage difference between the first electrode layer and the second electrode layer.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: November 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Pengxia Liang
  • Patent number: 10801701
    Abstract: To provide a phosphor wheel capable of restraining vibration caused by a driving unit for rotatably driving a wheel and reducing noise in a high frequency band. The phosphor wheel includes: a wheel substrate that has a surface on which a fluorescent material is provided; a driving unit that rotates the wheel substrate; a support portion that supports the driving unit and is fixed to a housing; and a buffer member that is provided to fill a space between the support portion and a part of the housing.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 13, 2020
    Assignee: Sony Corporation
    Inventors: Takahiro Mochizuki, Yoshihisa Aikoh
  • Patent number: 10804313
    Abstract: The present technology relates to a semiconductor device and a solid-state imaging device of which crack resistance can be improved in a simpler way. The semiconductor device has an upper substrate that is constituted by a Si substrate and wiring layers laminated on the Si substrate and a second substrate that is constituted by a Si substrate and wiring layers laminated on the Si substrate and is joined to the upper substrate. In addition, a pad for wire bonding or probing is formed in the upper substrate, and pads for protecting corner or side parts of the pad for wire bonding or probing are radially laminated and provided in each of the wiring layers between the pad and the Si substrate of the lower substrate. The present technology can be applied to a solid-state imaging device.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: October 13, 2020
    Assignee: Sony Corporation
    Inventors: Yoshihisa Kagawa, Nobutoshi Fujii, Masanaga Fukasawa, Tokihisa Kaneguchi, Yoshiya Hagimoto, Kenichi Aoyagi, Ikue Mitsuhashi
  • Patent number: 10768472
    Abstract: A display device includes first and second transparent substrates; a plurality of gate bus lines and data bus lines on the first transparent substrate to define a plurality of pixels; a plurality of color filter layers under the second transparent substrates; and a plurality of microlenses under one of the first and second transparent substrates at positions corresponding to the gate and data bus lines, wherein at least two microlenses among the plurality of microlenses are corresponded to each of the gate or data bus lines in a width direction of each of the gate or data bus lines, and wherein a border between the at least two microlenses is substantially aligned with a center of a corresponding one of the gate and data bus lines, and wherein at least one microlens overlapped with one data bus line does not overlap with the other data bus lines.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Hyo Gu, Min-Cheol Shin
  • Patent number: 10747045
    Abstract: An optical film for improving contrast ratio, a polarizing plate including the same, and a liquid crystal display including the polarizing plate are provided. An optical film for improving contrast ratio includes a protective layer and a contrast ratio improving layer on the protective layer, and the contrast ratio improving layer includes a first resin layer and a second resin layer facing the first resin layer, and the second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns, contains a light absorber, and satisfies Equation 1 as defined herein.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: August 18, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young Oh, Jeong Ho Lee, Yong Un Jung, Jang Hyun Cho
  • Patent number: 10726795
    Abstract: A multi-layer display device and a method for driving the same are disclosed, in which an image of a front display panel may be displayed without being affected by an image of a rear display panel, and an image of a rear display panel may be displayed without being affected by an image of a front display panel. The multi-layer display device comprises a first display panel; and a second display panel arranged on a rear surface of the first display panel. The second display panel displays a second white image for a time period when the first display panel displays a first source image. The first display panel displays a first white image for a time period when the second display panel displays a second source image.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: July 28, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: ChangHo Lee, YoonSung Tak
  • Patent number: 10627664
    Abstract: A display panel, a display device, and a display method are provided. A first light-shielding layer and a grating layer are arranged on a first base to form an array substrate of the display panel, a second light-shielding layer and a lens structure layer are arranged on a second base to form an opposite substrate of the display panel, grooves recessed toward the second base are arranged on the lens structure layer, the first light-shielding layer includes first light-shielding regions and first gap regions which are alternately arranged, the first gap regions are within orthographic projections of the grooves onto the first light-shielding layer, the second light-shielding layer includes second blocking regions and second gap regions which are alternately arranged, and a projection of an apex of the curved surface of the groove onto the second blocking layer is located in the second blocking region.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: April 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongxiao Li, Wenqing Zhao, Weili Zhao, Haiyan Wang
  • Patent number: 10620360
    Abstract: A light guide having a light guide body plate having a plurality of elongated light channels extending substantially parallel to each other; the light guide having an out-coupling arrangement for coupling light propagating in the light channels out of the light guide body plate through the first and/or the second main surface. In a horizontal transverse direction, each light channel is confined between two confining stripes formed of a solid confining material having a second refractive index lower than the first refractive index, confining stripes between two adjacent light channels having a height less than the thickness of the light guide body plate.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: April 14, 2020
    Assignee: NANOCOMP OY LTD
    Inventors: Marko Parikka, Marko Honkanen
  • Patent number: 10606104
    Abstract: The present disclosure provides a display device, including a display panel, having a display surface on which a peep-proof mechanism is arranged, wherein the peep-proof mechanism includes: a cavity body arranged on the display surface of the display panel, the cavity body having a first transparent surface away from a first side of the display panel; transparent particles, which are movable in the cavity body; and a control mechanism, for controlling the peep-proof mechanism to be in a first state in which the transparent particles are adsorbed on the first transparent surface, so as to from a lens-like structure capable of narrowing a display view angle of the display panel.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 31, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Jiantao Liu
  • Patent number: 10598978
    Abstract: A second substrate of an electro-optical device includes a first light-shielding layer formed around a display region, and a peripheral region of a first substrate is provided with a second light-shielding layer, a third light-shielding layer, and a translucent region overlapping neither the second light-shielding layer nor the third light-shielding layer. A maximum incident angle ? of light-source light being incident on an electro-optical layer from the second substrate, a maximum width W of the translucent region, and a thickness d between an end portion on an edge of the third light-shielding layer at a side opposite to the first light-shielding layer, and the first light-shielding layer satisfy the following relationship: W<2×d×tan ?.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 24, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Teiichiro Nakamura
  • Patent number: 10591783
    Abstract: A display device with a wide viewing angle is provided. A display device with a high aperture ratio is provided. The display device includes a first display element, a second display element, and an insulating layer. The first display element includes a first pixel electrode configured to reflect visible light. The second display element is configured to emit visible light. The second display element includes a second pixel electrode and a common electrode. The first pixel electrode is positioned on an opposite side of the insulating layer from the second pixel electrode. The common electrode is positioned on an opposite side of the second pixel electrode from the insulating layer. A shortest distance X between a first plane and a second plane is longer than or equal to 500 nm and shorter than or equal to 200 ?m.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: March 17, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Daisuke Kubota, Hisao Ikeda
  • Patent number: 10536690
    Abstract: Apparatuses and methods for displaying a 3-D representation of an object are described. Apparatuses can include a rotatable structure, motor, and multiple light field sub-displays disposed on the rotatable structure. The apparatuses can store a light field image to be displayed, the light field image providing multiple different views of the object at different viewing directions. A processor can drive the motor to rotate the rotatable structure and map the light field image to each of the light field sub-displays based in part on the rotation angle, and illuminate the light field sub-displays based in part on the mapped light field image. The apparatuses can include a display panel configured to be viewed from a fiducial viewing direction, where the display panel is curved out of a plane that is perpendicular to the fiducial viewing direction, and a plurality of light field sub-displays disposed on the display panel.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: January 14, 2020
    Assignee: Magic Leap, Inc.
    Inventor: Adrian Kaehler
  • Patent number: 10495916
    Abstract: An object is to provide an optical sheet that keeps efficiency of light utilization high or prevents something bad from occurring in a screen, while having a light blocking effect. Included are a substrate layer; and an optical function layer that is layered on the substrate layer, and has a plurality of light transmission parts which are arranged in a row so as to be light-transmissive, and light absorption parts that are arranged between adjacent ones of the light transmission parts so as to be light-absorptive. A cross-sectional area of each of the light transmission parts to a 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%, or optical diffuse reflectance of the optical sheet in a light output surface side is 1.9% to 3.5%.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: December 3, 2019
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventor: Tsuyoshi Kashiwagi
  • Patent number: 10462434
    Abstract: A projection device includes a first chip set and a second chip set. The first chip set includes multiple first micro mirror. Angles of the first micro mirror are adjusted in multiple first time intervals, so as to output a first image set according to a light source. The first image set includes multiple first images corresponding to the first time intervals. Angles of the second micro mirror are adjusted correspondingly in the first time intervals, so as to output a second image set according to the first image set. The second image set includes multiple second images corresponding to the first time intervals.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: October 29, 2019
    Assignee: DELTA ELECTRONICS, INC.
    Inventor: June-Jei Huang
  • Patent number: 10371982
    Abstract: A display panel according to an embodiment is provided and includes a top substrate having an outer surface; a display layer covered by the top substrate; a patterned light shielding layer disposed on the outer surface of the top substrate and located within the first region; and a patterned oxide layer disposed on the outer surface of the top substrate. The outer surface comprises a first region and a second region beside the first region. An edge of the patterned light shielding layer at least partially overlaps a boundary between the first region and the second region. The patterned oxide layer is located within one of the first region and the second region while exposes the other of the first region and the second region.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: August 6, 2019
    Assignee: Himax Display, Inc.
    Inventors: Po-Hung Pan, Hsing-Lung Wang, Jia-Lung Tsai, Tung-Feng Wu
  • Patent number: 10268068
    Abstract: There is provided an a electrooptical device which includes a electrooptical layer and an element substrate, in which the counter substrate includes a lens layer disposed on the electrooptical layer side of the lens layer, the element substrate includes a lens layer disposed on a substrate, a TFT that is provided on the electrooptical layer side of the lens layer, a light shielding portion that includes an opening for each of the pixels and is provided on the electrooptical layer side so as to overlap with the TFT, the lens layer is provided so as to fill a recess formed in a first region of a surface of the substrate and a recess formed at the bottom of the recess, and a surface of the lens layer constitutes a plane continuous with a surface in a second region of the substrate.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: April 23, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Satoshi Ito, Yoshitake Tateno
  • Patent number: 10222513
    Abstract: The present disclosure provides a lens. The lens includes at least two layers of glass wafers, each glass wafer is provided with a lens array including a plurality of lens units, glue is provided around a periphery of each of the lens unit, the lens units of two adjacent layers of glass wafers are correspondingly arranged one to one, and are adhered via the glue, the glass wafer is further provided with an air hole. In the lens provided by the present disclosure, through providing an air hole on the glass wafer of the lens, so that when two adjacent glass wafers are stacked via the glue, air in the sealed space can be exhausted through the air hole, and through filling glue in the air hole of the outermost layer of glass wafer, the sealing effect is achieved, which can avoid packaging defects, and improve product yield.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: March 5, 2019
    Assignee: AAC TECHNOLOGIES PTE. LTD.
    Inventor: Haisheng Zhang
  • Patent number: 10204255
    Abstract: A liquid crystal display assembly and an electronic device are provided. The liquid crystal display assembly includes: a touch screen, an upper substrate in parallel to the touch screen, a lower substrate in parallel to the upper substrate, a liquid crystal layer embedded between the upper and lower substrates, an upper polarizing plate and a lower polarizing plate attached to one side of the upper substrate and one side of the lower substrate which are opposite to the liquid crystal layer, respectively, and at least one fingerprint recognition sensor, at least one optical proximity sensor and a control chip. The at least one fingerprint recognition sensor and the at least one optical proximity sensor are respectively disposed between the upper polarizing plate and the lower polarizing plate, and the fingerprint recognition sensor is electrically connected to the control chip.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: February 12, 2019
    Assignee: XIAOMI INC.
    Inventors: Guosheng Li, Zhongsheng Jiang, Hao He
  • Patent number: 10090342
    Abstract: Implementations of image sensors may include a first die including an image sensor array and a first plurality of interconnects where the image sensor array includes a plurality of photodiodes and a plurality of transfer gates. The image sensor array may also include a second die including a second plurality of interconnects and a plurality of capacitors, each capacitor selected from the group consisting of deep trench capacitors, metal-insulator-metal (MIM) capacitors, polysilicon-insulator-polysilicon (PIP) capacitors, and 3D stacked capacitors. The first die may be coupled to the second die through the first plurality of interconnects and through the second plurality of interconnects. No more than eight photodiodes of the plurality of photodiodes of the first die may be electrically coupled with no more than four capacitors of the plurality of capacitors.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: October 2, 2018
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jeffrey Peter Gambino, Angel Rodriguez, David T. Price, Jeffery Allen Neuls, Kenneth Andrew Bates, Rick Mauritzson
  • Patent number: 10018756
    Abstract: A display apparatus and an electronic device are provided, which belong to the field of display technology. The display apparatus comprises a light-converging layer configured to refract the light in a first designated direction, wherein the first designated direction is a direction whose angle with a straight ahead direction of the display apparatus is less than a designated angle, and the straight ahead direction is a direction perpendicular to a plane where the light-converging layer is located; and a light-emitting layer positioned below the light-converging layer and configured to emit light.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: July 10, 2018
    Assignee: XIAOMI INC.
    Inventors: Guosheng Li, Anyu Liu, Wei Sun
  • Patent number: 10007168
    Abstract: A liquid crystal lens including a first substrate, a first electrode disposed on the first substrate, a second electrode disposed on the first substrate, a first conductive pattern disposed on the first substrate, a second conductive pattern disposed on the first substrate, a second substrate disposed opposite to the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer located between the first substrate and the second substrate is provided. The first conductive pattern and the second conductive pattern are electrically connected between the first electrode and the second electrode. A resistivity of the first conductive pattern and a resistivity of the second conductive pattern are greater than a resistivity of the first electrode and a resistivity of the second electrode. At least a portion of the at least one second conductive pattern is disposed into the at least one first conductive pattern.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 26, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Jia-Hong Ye, Hsueh-Fang Yeh
  • Patent number: 9899449
    Abstract: A solid-state imaging device includes: a first semiconductor substrate including a photoelectric conversion element; and a second semiconductor substrate including at least a part of a peripheral circuit arranged in a main face of the second semiconductor substrate, the peripheral circuit generating a signal based on the charge of the photoelectric conversion element, a main face of the first semiconductor substrate and the main face of the second semiconductor substrate being opposed to each other with sandwiching a wiring structure therebetween; a pad to be connected to an external terminal; and a protection circuit electrically connected to the pad and to the peripheral circuit, wherein the protection circuit is arranged in the main face of the second semiconductor substrate.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: February 20, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiro Kobayashi, Mineo Shimotsusa
  • Patent number: 9857621
    Abstract: A liquid crystal display with a high transmittance and a low power consumption rate, includes first and second transmittable substrates, a plurality of gate and data bus lines formed on the first substrate, a plurality of color filters formed on the second substrate, and a plurality of microlenses formed on the first or second substrate corresponding to the gate and data bus lines. The microlenses are formed at positions corresponding to the gate and data bus lines which block incident lights, so that most incident lights can be transmitted. Further, the transmittance can be greatly improved by forming the microlenses at the positions corresponding to storage capacitor lines as well as the gate and data bus lines.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: January 2, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Hyo Gu, Min-Cheol Shin
  • Patent number: 9853093
    Abstract: An OLED display includes a first substrate, a first electrode on the first substrate, a pixel defining layer having a first aperture exposing the first electrode, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a second substrate disposed to face the first substrate, a black matrix disposed on the second substrate and having a second aperture, and a lens disposed to cover at least a part of the second aperture and protruding toward the first substrate.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong Shik Shim, Chul Ho Jeong, Jae Ik Lim
  • Patent number: 9769937
    Abstract: The disclosure is related to a display module comprising a display panel and a cover. The display panel includes a black baffle frame defining a display region on the display panel. The cover is disposed on the display panel, and a side portion of the cover is on the black baffle frame. The display module further includes a visible region extension member disposed between the side portion of the cover and the black baffle frame. The disclosure further discloses a display device having the display module. In the disclosure, a bright region is formed on the black baffle frame at the periphery of the display region, and the bright region and the display region connect with each other as a whole to form an integrated screen such that viewers visually feel that the border of the display device is narrowed and the visible region of the screen is extended.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: September 19, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yanxue Zhang
  • Patent number: 9709488
    Abstract: A sensor unit (100) provided with a substrate (101), a plurality of light-receiving units (102) that are provided on the substrate (101) and detect light, and a diffraction grating layer (103) that is provided on the substrate (101) and the light-receiving units (102) and has at least two diffraction means for diffracting light of corresponding wavelengths and condensing the light onto the light-receiving units, wherein at least two of the diffraction means are composed from holograms formed on a first diffraction grating layer and at least a portion of the plurality of holograms formed on the first diffraction grating layer overlap at least partially with another adjacent hologram.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: July 18, 2017
    Assignee: NEC Corporation
    Inventors: Shin Tominaga, Yasuhiro Sasaki, Masatake Takahashi, Junichiro Mataga
  • Patent number: 9690060
    Abstract: An optical coupling lens includes main section, beam splitting section, first lens, second lens and third lens. A first groove is formed in the main section. A second groove is formed in the first groove. The beam splitting section includes a first total reflecting surface and a second total reflecting surface. A dihedral-angle between the first total reflecting surface and the second total reflecting surface is predetermined. The first lens is defined in the first groove. The first lens includes a beam splitter. The beam splitter includes a first light emitting surface. The first light emitting surface is connected to the first total reflecting surface. The second lens is defined in the second groove. The second lens is corresponding to the first lens. The third lens defined in the second groove. The third lens is corresponding to the second total reflecting surface.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: June 27, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Feng-Yuen Dai, Jih-Chen Liu, Hung-Lien Yeh, Chen-Han Lin, Po-Wei Huang, Yung-Chang Tseng, Ying-Jhih Hong, Yi Hung, Chang-Wei Kuo, I-Thun Lin
  • Patent number: 9581855
    Abstract: A liquid crystal device comprising: a first lens array that is provided to be closer to a light incident side of the liquid crystal device than the light shielding portion, a second lens array that is provided between the first lens array and the light shielding portion. The second lens array includes a plurality of first lenses each of which has a surface convex toward the light shielding portion, and the second lens array includes a first slit which is provided between two first lenses adjacent to each other among the plurality of first lenses of the second lens array so as to extend toward the light shielding portion.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: February 28, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Koichiro Akasaka
  • Patent number: 9553120
    Abstract: A technology capable of simplifying a process and securing a misalignment margin when bonding two wafers to manufacture an image sensor using backside illumination photodiodes. When manufacturing an image sensor through a 3D CIS (CMOS image sensor) manufacturing process, two wafers, that is, a first wafer and a second wafer are electrically connected using the vias of one wafer and the bonding pads of the other wafer. Also, when manufacturing an image sensor through a 3D CIS manufacturing process, two wafers are electrically connected using the vias of both the two wafers.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: January 24, 2017
    Assignee: SILICONFILE TECHNOLOGIES INC.
    Inventors: Jae Young Park, Young Ha Lee, Jun Ho Won, Do Young Lee
  • Patent number: 9551896
    Abstract: A liquid crystal device includes a first substrate that is arranged on a light input side; a second substrate that is arranged on a light output side; a liquid crystal layer that is arranged between the first and second substrates; a first microlens that is provided on the first substrate such that an optical axis is tilted to a normal line direction of the first substrate; and a second microlens that is provided on the second substrate such that an optical axis is tilted to a normal line direction of the second substrate, in which a focal point of the first microlens is located on a curved surface of the second microlens, or on the light output side rather than the curved surface.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: January 24, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Toru Nimura
  • Patent number: 9507059
    Abstract: Optical films, and organic light-emitting display apparatuses employing the same, include a high refractive index pattern layer including a first surface and a second surface facing each other, wherein the first surface includes a pattern having a plurality of grooves. The plurality of grooves each have a curved surface and a depth greater than a width thereof. The high refractive index pattern layer is formed of a material having a refractive index greater than 1. The optical films, and the organic light-emitting display apparatuses, further include a low refractive index pattern layer formed of a material having a refractive index smaller than the refractive index of the material constituting the high refractive index pattern layer. The low refractive index pattern layer includes a filling material for filling the plurality of grooves.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: November 29, 2016
    Assignees: Samsung Electronics Co., Ltd., Corning Precision Materials Co., Ltd., Cheil Industries Inc.
    Inventors: Hong-shik Shim, Eun-young Cho, You-min Shin, Eui-soo Kim, Chul-ho Jeong, Young Oh, Hyun-min Kim
  • Patent number: 9500797
    Abstract: The present invention provides a microlens array including multiple microlenses arranged axially parallel to one another, wherein entrance surfaces of the microlenses on which light is incident are made of resin, and exit surfaces of the microlenses from which light exits are made of glass.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: November 22, 2016
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Makoto Sato, Hideki Nakamura, Hiroshi Ogino
  • Patent number: 9490408
    Abstract: A wafer-scale apparatus and method is described for the automation of forming, aligning and attaching two-dimensional arrays of microoptic elements on semiconductor and other image display devices, backplanes, optoelectronic boards, and integrated optical systems. In an ordered fabrication sequence, a mold plate comprised of optically designed cavities is formed by reactive ion etching or alternative processes, optionally coated with a release material layer and filled with optically specified materials by an automated fluid-injection and defect-inspection subsystem. Optical alignment fiducials guide the disclosed transfer and attachment processes to achieve specified tolerances between the microoptic elements and corresponding optoelectronic devices and circuits.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: November 8, 2016
    Assignee: International Business Machines Corporation
    Inventors: Lawrence Jacobowitz, Stephen Buchwalter, Casimer DeCusatis, Peter A. Gruber, Da-Yuan Shih
  • Patent number: 9482791
    Abstract: An optical product that includes a transparent lens sheet, which has a first side with a plurality of side-by-side sets of linearly arranged lenses. Each of the sets of lenses is at a slant angle in the range of 10 to 46 degrees from a vertical or a horizontal axis of the lens sheet. The product includes an image layer that includes pixels from a number of digital images. The pixels are arranged in a pattern of pixel locations providing non-orthogonal interlacing of the digital images relative to each of the sets of the linearly arranged lenses. The pattern of pixel locations aligns a number of the pixels from each of the digital images to be parallel to a line extending through a center of the linearly arranged lenses in each set. Each of the linearly arranged lenses may have a round base, a hexagonal base, or a square base.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: November 1, 2016
    Assignee: LUMENCO, LLC
    Inventors: Mark A. Raymond, Hector Andres Porras Soto