公开(公告)号：US20240353726A1

公开(公告)日：2024-10-24

申请号：US18682934

申请日：2021-11-30

Applicant: Beijing BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Xiaojuan WU ,  Xiuliang WANG ,  Jiaxing WANG ,  Yu ZHAO ,  Jian WANG ,  Yao BI ,  Jinshuai DUAN ,  Yang GE ,  Zhilong DUAN ,  Zhiqiang YU ,  Cuiyu CHEN ,  Feng LIU ,  Tianyang HAN

IPC: G02F1/137 ,  G02F1/133 ,  G06F3/042 ,  G09G3/36

CPC classification number: G02F1/137 ,  G02F1/133 ,  G06F3/042 ,  G09G3/36

Abstract: The present disclosure belongs to the technical field of display, and provides an array substrate, a handwriting tablet, a tablet eraser, a handwriting tablet system and a method for erasing a pattern. The array substrate is provided with a handwriting area, and a peripheral area surrounding the handwriting area. The array substrate includes erasing electrodes, which are arranged in an array, and a driving circuit for driving the erasing electrodes, wherein the driving circuit is configured to load, under the irradiation of preset light, an erasing voltage to the erasing electrodes. The array substrate is further provided with an NFC coil, which is used for sending an NFC signal, wherein a sensing range of the NFC coil covers the handwriting area.

公开(公告)号：US20240345446A1

公开(公告)日：2024-10-17

申请号：US18631757

申请日：2024-04-10

Applicant: Beijing BOE Display Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Jiao LI ,  Shiming SHANG ,  Xiaoqing PENG ,  Kaixuan WANG ,  Weixing LIU

IPC: G02F1/137 ,  G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/137 ,  G02B6/0053 ,  G02B6/0055 ,  G02F1/133357 ,  G02F1/133365 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133553

Abstract: An anti-peeping display device, including a collimated backlight module and a liquid crystal display panel that are stacked. The liquid crystal display panel is located on a light exit side of the collimated backlight module. The liquid crystal display panel includes an array substrate and an opposite substrate that are disposed opposite to each other. The array substrate is close to the collimated backlight module, and the opposite substrate is away from the collimated backlight module. The opposite substrate includes: a base substrate, the base substrate having a plurality of light-transmissive regions and non-light-transmissive regions located between adjacent light-transmissive regions; and a reflective layer located on the base substrate, the orthographic projection of the reflective layer on the base substrate overlapping the orthographic projections of at least parts of the non-light-transmissive regions on the base substrate, and the reflective layer being configured to reflect ambient light.

公开(公告)号：US20240331651A1

公开(公告)日：2024-10-03

申请号：US18598855

申请日：2024-03-07

Applicant: Panasonic Automotive Systems Co., Ltd.

Inventor： Yoshihisa OOISHI ,  Koichi ITOH ,  Koji MIMURA ,  Hideki NOZAKI ,  Ken SHIIBA

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/137

CPC classification number: G09G3/3622 ,  G02F1/134309 ,  G02F1/137 ,  G09G3/3614 ,  G09G2310/0278 ,  G09G2310/065 ,  G09G2320/0238 ,  G09G2320/066 ,  G09G2320/0686 ,  G09G2354/00

Abstract: A dimming device according to the present disclosure includes a dimming panel. The dimming panel includes a dimming layer, a plurality of column electrodes, and a plurality of row electrodes. The dimming layer has a plurality of regions partitioned in a matrix. The column electrodes are arranged in a row direction along a front surface of the dimming layer. Each of the column electrodes extends in a column direction. The row electrodes face the column electrodes with the plurality of regions interposed therebetween and are arranged in the column direction along a back surface of the dimming layer. Each of the row electrodes extends in the row direction. Voltages having substantially the same waveform are supplied to a column electrode and a row electrode corresponding to a region of the regions controlled to a predetermined transmittance, among the column electrodes and the row electrodes.

公开(公告)号：US20240329459A1

公开(公告)日：2024-10-03

申请号：US18598648

申请日：2024-03-07

Applicant: InnoLux Corporation

Inventor： Chih-Chin KUO ,  Hsu-Kuan HSU ,  Tzu-Chieh LAI ,  Mao-Shiang LIN

IPC: G02F1/1335 ,  G02F1/137

CPC classification number: G02F1/133536 ,  G02F1/133502 ,  G02F1/133514 ,  G02F1/133531 ,  G02F1/133553 ,  G02F1/137 ,  G02F2202/04 ,  G02F2203/055

Abstract: An electronic device includes: a light modulation medium layer including a liquid crystal material and a dye material; a reflective element disposed opposite to the light modulation medium layer and away from a display side of the electronic device; a reflective polarizing element disposed between the light modulation medium layer and the reflective element; and a polarizer disposed between the reflective polarizing element and the reflective element, wherein the reflective element has a reflectance of light with wavelengths ranging from 380 nm to 780 nm greater than or equal to 80%.

公开(公告)号：US20240329447A1

公开(公告)日：2024-10-03

申请号：US18619389

申请日：2024-03-28

Applicant: CORNING INCORPORATED

Inventor： Jae-won Huh ,  Sangtae Kim ,  Sukjoon Kim ,  Jin-Wook Song

IPC: G02F1/1333 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/137

CPC classification number: G02F1/133302 ,  G02F1/13324 ,  G02F1/133502 ,  G02F1/13394 ,  G02F1/137

Abstract: A liquid crystal panel includes a first glass plate and a second glass plate facing each other, a liquid crystal cell arranged between the first glass plate and the second glass plate, a first spacer arranged between the first glass plate and the liquid crystal cell, and configured to space the liquid crystal cell from the first glass plate, and a second spacer arranged between the second glass plate and the liquid crystal cell, and configured to space the liquid crystal cell from the second glass plate, wherein the liquid crystal cell includes a first sheet, a second sheet spaced apart from the first sheet, and a liquid crystal layer arranged between the first sheet and the second sheet.

公开(公告)号：US12078879B2

公开(公告)日：2024-09-03

申请号：US18078090

申请日：2022-12-08

Applicant: IRIS OPTRONICS CO., LTD.

Inventor： Chi-Wei Lin ,  Wu-Chang Yang ,  Chi-Chang Liao

IPC: G02F1/133 ,  G02F1/137

CPC classification number: G02F1/13306 ,  G02F1/137 ,  G02F2201/50

Abstract: A cholesteric liquid crystal display device and a control method for reducing inrush current when clearing the screen. The cholesteric liquid crystal display device includes a cholesteric liquid crystal display panel and a liquid crystal drive unit. The cholesteric liquid crystal display panel has a plurality of pixel matrix. After the liquid crystal drive unit receives a data latch enable signal, it applies a reset voltage to the plurality of pixel matrix to clear the screen displayed on the cholesteric liquid crystal display panel. The input time of the data latch enable signal received by the liquid crystal driving unit is different, and the corresponding signal time portion is shifted with each other.

公开(公告)号：US12072596B2

公开(公告)日：2024-08-27

申请号：US17988598

申请日：2022-11-16

Applicant: Magic Leap, Inc.

Inventor： Chulwoo Oh ,  Ravi Kumar Komanduri ,  Gary Sharp

IPC: G02F1/1337 ,  G02B27/01 ,  G02B30/34 ,  G02F1/01 ,  G02F1/13 ,  G02F1/1343 ,  G02F1/137

CPC classification number: G02F1/137 ,  G02B27/0172 ,  G02B30/34 ,  G02F1/0136 ,  G02F1/1326 ,  G02B2027/0134

Abstract: A switchable optical assembly comprises a switchable waveplate configured to be electrically activated and deactivated to selectively alter the polarization state of light incident thereon. The switchable waveplate comprises first and second surfaces and a liquid crystal layer disposed between the first and second surfaces. The first liquid crystal layer comprises a plurality of liquid crystal molecules. Said first and second surfaces may be curved. Said plurality of liquid crystal molecules may vary in tilt with respect to said first and second surfaces with outward radial distance from an axis through said first and second surfaces and said liquid crystal layer in a plurality of radial directions. The switchable waveplate additionally comprises a first plurality of electrodes to apply an electrical signal across said first liquid crystal layer.

公开(公告)号：US20240277100A1

公开(公告)日：2024-08-22

申请号：US18565235

申请日：2022-06-01

Applicant: OUT OF S.R.L.

Inventor： Federico RIGHI ,  Roberto RIGHI

IPC: A42B3/22 ,  A42B3/06 ,  A61F9/02 ,  G02F1/133 ,  G02F1/137 ,  H04R1/02

CPC classification number: A42B3/224 ,  A42B3/06 ,  A61F9/023 ,  A61F9/029 ,  G02F1/13324 ,  G02F1/137 ,  H04R1/028 ,  H04R2460/13

Abstract: A protective helmet for practicing sports activities or using motorized vehicles is provided. The protective helmet has a cap provided with a front opening in an eye region of a user and closed by a visor assembly. The visor assembly has at least one at least partially transparent structural lens, the at least partially transparent structural lens being a thermoformed sheet of polymer material, a guest-host type liquid crystal (LC) film adapted to modify its own transparency level, arranged behind the at least partially transparent structural lens, and at least one electrical source for powering the LC film.

公开(公告)号：US12058901B2

公开(公告)日：2024-08-06

申请号：US17874609

申请日：2022-07-27

Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

Inventor： Haiyan Shen ,  Zhimeng Luo ,  Le Zhang ,  Wenxu Xianyu ,  Chunpeng Zhang

IPC: H10K59/124 ,  B60R11/00 ,  B60R11/02 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/155 ,  H10K59/12

CPC classification number: H10K59/124 ,  G02F1/155 ,  B60R2011/0026 ,  B60R11/0235 ,  G02F1/13439 ,  G02F1/137 ,  G02F2201/44 ,  G02F2202/28 ,  H10K59/12

Abstract: A display device and a vehicle are disclosed. The display device has a display area including a plurality of display sub areas and a plurality of transparent sub areas. The display device includes a display panel and an electrochromic layer disposed on one side of the display panel. The electrochromic layer includes at least one electrochromic device, the at least one electrochromic device corresponds to at least one of the transparent sub areas, and the at least one electrochromic device transitions between transparent and opaque states.

公开(公告)号：US12001110B2

公开(公告)日：2024-06-04

申请号：US17359146

申请日：2021-06-25

Applicant: Magic Leap, Inc.

Inventor： Hui-Chuan Cheng ,  David Manly ,  Vaibhav Mathur ,  Joshua Naaman Haddock ,  Kevin Messer ,  Clinton Carlisle

IPC: G02F1/137 ,  G02B25/00 ,  G02B27/01 ,  G02F1/01 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1347

CPC classification number: G02F1/137 ,  G02B25/001 ,  G02B27/0172 ,  G02F1/0136 ,  G02F1/133531 ,  G02F1/133541 ,  G02F1/133634 ,  G02F1/133638 ,  G02F1/1347 ,  G02B2027/0118 ,  G02B2027/0138 ,  G02B2027/014 ,  G02B2027/0178 ,  G02F2203/48 ,  G02F2413/02

Abstract: A method for displaying an image using a wearable display system including directing display light from a display towards a user through an eyepiece to project images in the user's field of view, determining a relative location between an ambient light source and the eyepiece, and adjusting an attenuation of ambient light from the ambient light source through the eyepiece depending on the relative location between the ambient light source and the eyepiece.