公开(公告)号：US12003896B2

公开(公告)日：2024-06-04

申请号：US17588146

申请日：2022-01-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei Hu ,  Chen Chen ,  Xin Yu ,  Zuqiang Guo ,  Yi Li

IPC: H04N9/31 ,  H04N13/363 ,  H04N13/398

CPC classification number: H04N9/3155 ,  H04N13/363 ,  H04N13/398

Abstract: Provided is a projection display device for displaying a time period of one frame of stereo image as a first modulation period. The projection display device includes: a light source for emitting illumination light; a spatial light modulator for modulating the illumination light according to a plurality of frames of two-dimensional images corresponding to a stereo image to be displayed, and sequentially emitting, within the first modulation period, image light corresponding to the plurality of frames of the two-dimensional images; an angle deflection apparatus arranged in an emergent optical path of the image light and used for deflecting the image light corresponding to the plurality of frames of two-dimensional images to different angles for emission; and a projection screen for displaying the image light deflected by the angle deflection apparatus.

公开(公告)号：US20220269158A1

公开(公告)日：2022-08-25

申请号：US17663405

申请日：2022-05-13

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Chen CHEN ,  Fei Hu ,  Xin Yu ,  Yi Li

IPC: G03B21/20 ,  G03B21/00 ,  G02B27/10

Abstract: The present disclosure provides a display device and a control method thereof. The control method of the display device comprises: obtaining, based on the first light output ratio and the second light output ratio, a first luminous flux set composed of values of luminous fluxes output by a combination path at a current bit depth, and a second luminous flux set composed of values of luminous fluxes output by the combination path at a target bit depth respectively; obtaining, based on the first luminous flux set and the second luminous flux set, a value of a luminous flux to be expanded to achieve the target bit depth at the current bit depth; and adjusting a mapping relationship between the value of each luminous flux to be expanded and a value of a maximum luminous flux in the first luminous flux set corresponding to the current bit depth based on a display bit depth of the display device.

公开(公告)号：US11202042B2

公开(公告)日：2021-12-14

申请号：US16981389

申请日：2018-11-05

Applicant: Appotronics Corporation Limited

Inventor： Xin Yu ,  Fei Hu ,  Zu-Qiang Guo ,  Yi Li

IPC: H04N9/31

Abstract: A display apparatus comprising a light source device, an image data processing module, a light modulation device, and an image synthesizing device. The light source device is configured to emit first light and second light. The image data processing module is configured to receive original image data of an image to be displayed, the original image data of the image to be displayed being image data based on a second color gamut range and comprising original control signal values of m colors of pixels, and the second color gamut range covers a first color gamut range and has a portion beyond the first color gamut range. The image data processing module further maps the original control signal values as m corrected control signal values and n control signal values.

公开(公告)号：US12177612B2

公开(公告)日：2024-12-24

申请号：US18009692

申请日：2021-06-10

Applicant: Appotronics Corporation Limited

Inventor： Chen-Sheng Gong ,  Chen Chen ,  Fei Hu ,  Xin Yu ,  Zu-Qiang Guo

IPC: H04N9/31 ,  G03B21/20 ,  G03B33/12

Abstract: A projection display system includes a light source assembly, a wavelength adjusting assembly, and a modulation assembly. The light source assembly is configured to emit projected light. The wavelength adjusting assembly is disposed on an optical path of the projected light for adjusting spectrum of the projected light, and a ratio of luminous efficacy of adjusted projected light to luminous efficacy of monochromatic light corresponding to a dominant wavelength of the projected light is greater than a preset ratio, and color gamut of the adjusted projected light satisfies a preset color gamut coverage. The modulation assembly is disposed on a light exiting path of the wavelength adjusting assembly and configured to modulate light emitted by the wavelength adjusting assembly and output corresponding image light to form projection image.

公开(公告)号：US11893948B2

公开(公告)日：2024-02-06

申请号：US17578841

申请日：2022-01-19

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Chen Chen ,  Fei Hu ,  Xin Yu ,  Zuqiang Guo ,  Yi Li

IPC: G09G3/22 ,  G09G3/34

CPC classification number: G09G3/346 ,  G09G2320/0233 ,  G09G2320/064

Abstract: A display device, including: a light source, used for emitting light source light; a control unit, used for controlling a drive current for the light source, the modulation period of each frame of image to be displayed comprising at least one pulse modulation period, and within the pulse modulation period, the drive current for the light source being an overshoot current so that the average luminous brightness of the light source in the modulation period reaches preset brightness; and a light modulation unit, used for modulating the light source light according to image data of the image to be displayed and the luminous brightness of the light source to obtain a modulated image.

公开(公告)号：US11841610B2

公开(公告)日：2023-12-12

申请号：US17765141

申请日：2020-08-31

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Jianhua Zhou ,  Zhengping Zhou ,  Xianpeng Zhang ,  Xin Yu

IPC: G03B21/14 ,  G02B7/02

CPC classification number: G03B21/142

Abstract: Provided are a lens adjusting device and a projection apparatus. The device includes a first adjusting support including a lens support, a first guide post and a second guide post; and a second adjusting support including a moving support, a first limit slot, and a first boss. The first guide post is fixedly clamped in the first limit slot, the second guide post being connected to the first boss, and the lens support being supported by and slidably connected to the first guide post and second guide post, such that the lens support is slidable relative to the second adjusting support along the first direction. The lens support is configured to adjust a position of the second guide post relative to the first boss prior to the second guide post and the first boss being fastened to each other to parallel the second guide post and the first guide post.

公开(公告)号：US12111563B2

公开(公告)日：2024-10-08

申请号：US17663405

申请日：2022-05-13

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Chen Chen ,  Fei Hu ,  Xin Yu ,  Yi Li

IPC: G02B27/10 ,  G03B21/00 ,  G03B21/20 ,  G02B26/00

CPC classification number: G03B21/2053 ,  G02B27/1046 ,  G03B21/005 ,  G03B21/2013 ,  G02B26/008 ,  G03B21/204

Abstract: The present disclosure provides a display device and a control method thereof. The control method of the display device comprises: obtaining, based on the first light output ratio and the second light output ratio, a first luminous flux set composed of values of luminous fluxes output by a combination path at a current bit depth, and a second luminous flux set composed of values of luminous fluxes output by the combination path at a target bit depth respectively; obtaining, based on the first luminous flux set and the second luminous flux set, a value of a luminous flux to be expanded to achieve the target bit depth at the current bit depth; and adjusting a mapping relationship between the value of each luminous flux to be expanded and a value of a maximum luminous flux in the first luminous flux set corresponding to the current bit depth based on a display bit depth of the display device.

公开(公告)号：US11624976B2

公开(公告)日：2023-04-11

申请号：US17272162

申请日：2019-03-01

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Xin Yu ,  Fei Hu ,  Xianpeng Zhang ,  Zuqiang Guo ,  Yi Li

IPC: G03B21/20

Abstract: A system and method for dynamically adjusting a color gamut of a display system, and a display system are provided. The display system includes a light source system and an imaging system. The light source system includes an excitation light source and a narrow-spectrum primary-light source. The imaging system includes a spatial light modulation device and the system for dynamically adjusting the color gamut. The excitation light source emits excitation light which is processed to output at least one broad-spectrum primary light. The narrow-spectrum primary light source outputs narrow-spectrum primary light. The narrow-spectrum primary light and the broad-spectrum primary light are combined and then output to the imaging system. The brightness of light emitted by the excitation light source and the narrow-spectrum primary light source is adjusted.

公开(公告)号：US11448949B2

公开(公告)日：2022-09-20

申请号：US17277884

申请日：2019-05-15

Applicant: Appotronics Corporation Limited

Inventor： Xin Yu ,  Fei Hu ,  Chao Wu ,  Yi Li

IPC: G03B21/20 ,  H04N9/31

Abstract: A projection system, comprising a first light source which is an array light source, the first light source being divided into a plurality of illumination areas, and each illumination area may be independently controllable so as to generate a first illumination light field of which the brightness and darkness may be modulated; a second light source comprises an illumination unit and a light steering unit; the light steering unit redistributes illumination light emitted from the illumination unit to generate a second illumination light field of which the brightness and darkness may be modulated, wherein the first and second illumination light fields overlap to generate a combined light field. Also provided is a projection display method. The goal of simultaneously increasing image peak value brightness and lowering image dark field brightness is achieved, and a projection system that has a high contrast ratio is thus obtained.

公开(公告)号：US20210383766A1

公开(公告)日：2021-12-09

申请号：US17278046

申请日：2019-08-14

Applicant: Appotronics Corporation Limited

Inventor： Xin Yu ,  Fei Hu ,  Yi Li

IPC: G09G3/34 ,  H04N9/31

Abstract: A display device includes a control device configured to divide a display period of each frame of an image to be displayed into a first time period and a second time period; and send a light source control signal and a modulation signal corresponding to each pixel in the image to be displayed, according to original image data of each frame of the image to be displayed; a light source system configured to emit light source light according to the light source control signal, the light source light including first light and second light; and a light modulation device configured to modulate the first light according to the modulation signal to generate first image light of the image to be displayed, and modulate the second light according to the modulation signal to generate second image light of the image to be displayed.