公开(公告)号：US11662618B2

公开(公告)日：2023-05-30

申请号：US17412481

申请日：2021-08-26

申请人： Japan Display Inc.

发明人： Toru Kawamura ,  Seiji Uejima ,  Koichiro Adachi ,  Tetsuya Yamamoto

IPC分类号： G02F1/1335 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/135

CPC分类号： G02F1/133512 ,  G02F1/1343 ,  G02F1/1351 ,  G02F1/133514 ,  G02F1/136209 ,  G02F1/136218 ,  G02F1/136286 ,  G02F1/1352 ,  G02F2201/08

摘要： A counter substrate for a liquid crystal device is provided and includes an insulating substrate having a first surface and a second surface facing to the first surface, a first light shielding layer extending in a first direction and a second light shielding layer extending in a second direction crossing the first direction at the first surface side, wherein

the first light shielding layer and the second light shielding layer are layered while contacting each other at a crossing part, the first light shielding layer contacts the first surface, and the second light shielding layer contacts the first surface in the part other than the crossing part.

公开(公告)号：US11804197B1

公开(公告)日：2023-10-31

申请号：US17459731

申请日：2021-08-27

申请人： Apple Inc.

发明人： Aaron L. Holsteen ,  Xiaokai Li ,  Yuan Chen ,  Zhibing Ge

IPC分类号： G09G3/36 ,  G02F1/135

CPC分类号： G09G3/3696 ,  G02F1/1352 ,  G02F1/1358 ,  G09G2230/00 ,  G09G2320/041

摘要： A display may include illumination optics, a ferroelectric liquid crystal on silicon (fLCOS) panel, and a waveguide. The display may include a temperature sensor that gathers temperature sensor data. Control circuitry may select a non-square wave drive voltage waveform based on the gathered temperature sensor data and/or based on frame history information for the fLCOS display panel. The control circuitry may control the fLCOS panel to produce image light by driving the fLCOS panel using the selected non-square wave drive voltage waveform. The non-square wave drive voltage waveform may be an overdrive waveform or an underdrive waveform. This may serve to optimize the reflectance of the fLCOS display panel and thus the optical performance of the display module regardless of operating temperature and frame history.

公开(公告)号：US20240152009A1

公开(公告)日：2024-05-09

申请号：US18499677

申请日：2023-11-01

申请人： Seurat Technologies, Inc.

发明人： Selim Elhadj

IPC分类号： G02F1/135

CPC分类号： G02F1/1355 ,  G02F1/1352 ,  G02F1/1357

摘要： A monolithic transmissive or reflective light valve system able to withstand operation with high optical fluence and high average power lasers is described. The light valve includes a liquid crystal layer on an alignment layer, a first epitaxial doped semiconductor transparent electrode on a photoconductor layer made of a first wide bandgap or ultrawide bandgap semi- insulating semiconductor layer (or wafer). A second epitaxial semiconductor transparent electrode layer brackets the light valve and includes a second wide bandgap or ultrawide bandgap semi-insulating, or conductive semiconductor layer (or wafer). In some embodiments, the doped epitaxial or ion implanted transparent electrode and photoconductor layers have matched coefficient of thermal expansion (CTE) and further matched CTE to the second wide bandgap material bracketing the light valve. In some embodiments, the transparent electrode and photoconductor layers have matched index of refraction, along with matched photoexcitation levels.

公开(公告)号：US11656511B2

公开(公告)日：2023-05-23

申请号：US17506349

申请日：2021-10-20

申请人： Seurat Technologies, Inc.

发明人： Francis L. Leard ,  James A. DeMuth ,  Andrew J. Bayramian ,  Drew W. Kissinger ,  Ning Duanmu ,  Kourosh Kamshad

IPC分类号： G02F1/135 ,  G02F1/1333

CPC分类号： G02F1/1355 ,  G02F1/1352 ,  G02F1/133385 ,  G02F2202/12 ,  G02F2203/02

摘要： An apparatus with first and second transparent conductive oxide layers is described. A photoconductive layer can be positioned between the first and a second transparent conductive oxide layers. The photoconductive layer can be a crystalline layer that can include bismuth silicate or other suitable materials. An electro-optical layer is positioned in contact with the photoconductive layer. In some embodiments the photoconductive layer is positionable to receive a write beam that defines a two-dimensional spatial pattern.