公开(公告)号：US10466580B2

公开(公告)日：2019-11-05

申请号：US16219224

申请日：2018-12-13

Applicant: Appotronics Corporation Limited

Inventor： Zuqiang Guo ,  Zeqin Wang

IPC: G03B21/20 ,  H04N9/31 ,  G03B33/12 ,  G03B21/00

Abstract: A projection system includes a light source system that has a first light source for emitting first light, and a rotating color wheel that has at least a first fluorescent color band to absorb the first light and generate second light, and a second fluorescent color band to absorb the first light and generate compensation light. A light splitting device sequentially splits the first and second lights into light travelling along first and second light paths respectively. A first light modulation device modulates the light travelling along the first light path, and a second light modulation device for modulating the light travelling along the second light path. The first light is a primary light, the second light is a wide-spectrum light comprising at least two kinds of primary light, and a combined light of the first light and the second light comprises light of three primary colors.

公开(公告)号：US20190113834A1

公开(公告)日：2019-04-18

申请号：US16219224

申请日：2018-12-13

Applicant: Appotronics Corporation Limited

Inventor： Zuqiang Guo ,  Zeqin Wang

IPC: G03B33/12 ,  G03B21/00 ,  G03B21/20 ,  H04N9/31

Abstract: A projection system includes a light source system that has a first light source for emitting first light, and a rotating color wheel that has at least a first fluorescent color band to absorb the first light and generate second light, and a second fluorescent color band to absorb the first light and generate compensation light. A light splitting device sequentially splits the first and second lights into light travelling along first and second light paths respectively. A first light modulation device modulates the light travelling along the first light path, and a second light modulation device for modulating the light travelling along the second light path. The first light is a primary light, the second light is a wide-spectrum light comprising at least two kinds of primary light, and a combined light of the first light and the second light comprises light of three primary colors.

公开(公告)号：US10184641B2

公开(公告)日：2019-01-22

申请号：US15564159

申请日：2016-04-05

Applicant: Appotronics Corporation Limited

Inventor： Zeqin Wang ,  Yi Li ,  Zuqiang Guo

IPC: F21V9/30 ,  F21V13/02 ,  F21V13/12 ,  F21V14/08 ,  G03B21/20 ,  H05B33/08 ,  G03B33/08 ,  F21V13/00 ,  F21Y113/13

Abstract: A light emitting device includes a light source module comprising an excitation light source for emitting exciting light and a compensation light source for emitting compensation light; and a color wheel component, comprising at least one segmented region distributed in a motion direction of the color wheel component. The color wheel component emits the compensation light and first light that comprises at least one beam of excited light under irradiation of the excitation light source and the compensation light source. The compensation light spectrally overlaps the at least one beam of excited light in the first light, and the compensation light and the excited light spectrally overlapping the compensation light are simultaneously emitted and are independently adjustable. A projection system comprising a light emitting device is further provided.

公开(公告)号：US11917338B2

公开(公告)日：2024-02-27

申请号：US17626783

申请日：2020-06-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Zuqiang Guo ,  Ning Lu ,  Yi Li

IPC: H04N9/31

CPC classification number: H04N9/3152 ,  H04N9/3158

Abstract: Provided is a light source system, including: an excitation light source emitting excitation light; a wavelength conversion device having conversion and reflective regions located in different planes and time-sequentially located in optical path of the excitation light, the conversion region configured for converting at least part of the excitation light into excited light, and the reflective region configured for reflecting the excitation light; collection lens assembly configured to guide light from the conversion region to propagate along first direction to obtain first light, and guide the excitation light from the reflective region to propagate along second direction to obtain second light; first guide device configured to guide the excited light in the first light to exit along first path; and second guide device configured to guide the second light to propagate along second path. The first guide device combines the excited light and the second light to obtain source light.

公开(公告)号：US11906887B2

公开(公告)日：2024-02-20

申请号：US16642763

申请日：2017-12-06

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei Hu ,  Zuqiang Guo ,  Peng Du ,  Yi Li

IPC: G03B21/00 ,  G03B21/14 ,  G03B21/20 ,  H04N9/31 ,  H04N19/00

CPC classification number: G03B21/008 ,  G03B21/142 ,  G03B21/204 ,  G03B21/208 ,  H04N9/3114 ,  H04N9/3126 ,  H04N9/3152 ,  H04N9/3155 ,  H04N19/00

Abstract: A projection system, comprising a light modulation device, a light source system and a light offset device. The light source system is used for emitting one or more illumination sub-beams. The light modulation device is used for modulating illumination light according to image data to form image light, the image light being used for displaying an image corresponding to the image data. The light offset device is used for transferring one illumination sub-beam to each zone of a micro-mirror unit by means of a time sequence such that the micro-mirror unit modulates the illumination sub-beam by means of a time sequence to form image light of a pixel corresponding to each zone, wherein each zone corresponds to one pixel of an 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：US11614678B2

公开(公告)日：2023-03-28

申请号：US16622478

申请日：2017-09-26

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei Hu ,  Zuqiang Guo ,  Peng Du ,  Yi Li

IPC: G03B21/20 ,  G02B26/00

Abstract: A light source device, includes an excitation light source for generating excitation light, a light condensing device, and a fluorescent cavity. The fluorescent cavity includes a chamber and a fluorescent layer, the chamber having a light window for allowing light to enter and exit and a bottom wall opposite to the light window. The fluorescent layer is provided on the surface of the bottom wall. The excitation light is concentrated by the light condensing device, and then is incident from the light window to the surface of the fluorescent layer to form a light spot and excite the fluorescent layer to generate a laser. The area of the light window is smaller than the area of the light spot, and the laser can be emitted from the light window.

公开(公告)号：US11003064B2

公开(公告)日：2021-05-11

申请号：US16314899

申请日：2017-04-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei Hu ,  Zuqiang Guo ,  Yi Li

IPC: G03B21/20 ,  G03B21/00 ,  G03B21/14

Abstract: A display system and method are provided. The display system includes a light source device, an optical processing assembly, a reflection device, a light modulator and a controller. The light source device is configured to emit a plurality of light beams; the optical processing assembly is configured to perform a light path adjustment on each light beam from the light source device in such a manner that the light beam irradiates on the reflection device at a preset light-cone angle; the reflection device is configured to reflect the light beams from the optical processing assembly to the light modulator; the controller is connected to the light source device and the light modulator, and is configured to control a light emission state of the light source device; and the light modulator is configured to modulate the light beams through respective controllable units, so as to emit desired display light.

公开(公告)号：US20210033953A1

公开(公告)日：2021-02-04

申请号：US16650898

申请日：2017-12-06

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Zuqiang Guo ,  Peng Du ,  Yi Li

IPC: G03B21/20 ,  G02B26/00

Abstract: A light source system (100) comprises: an excitation light source (120) used to generate an excitation light beam; a waveform conversion device (160) comprising a conversion region (161) and a non-conversion region (164), wherein the conversion region (161) is used to perform a wavelength conversion operation on a portion of the excitation light beam and to emit the same as a first light beam along a first optical path, the non-conversion region (164) is used to scatter another portion of the excitation light beam and to emit the same as a second light beam along a second optical path, and the conversion region (161) is also used to emit an unconverted portion of the excitation light beam as a third light beam along a third optical path; an adjustment device used to guide the first light beam, the second light beam and the third light beam entering thereto, and to perform adjustment such that the first light beam, the second light beam and the third light beam are emitted at a first divergence angle, a second divergence angle, and a third divergence angle, respectively; and a first reflection element (150) used to guide the second light beam and a portion of the third light beam to enter the adjustment device. Also disclosed is a projection device comprising the light source system.

公开(公告)号：US10831088B2

公开(公告)日：2020-11-10

申请号：US16477513

申请日：2017-04-20

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei Hu ,  Zuqiang Guo ,  Lin Mi ,  Yi Li

IPC: H04N9/31 ,  G03B21/00 ,  G02B27/14 ,  G03B21/20

Abstract: A projection display system, comprising: a first light source for emitting a first light; a first light modulation system for receiving the first light and modulating the first light into a first image light; a supplementary light source for at least emitting a supplementary light, wherein a spectrum of the first light comprises a spectrum of the supplementary light; a second light modulation system for receiving the supplementary light and modulating the supplementary light into a supplementary image light; a light combining device for combining the first image light and the supplementary image light, the beam cross-sectional area of the first image light being greater than the beam cross-sectional area of the supplementary image light at the light combining position; and a projection lens system for causing the first image light and the supplementary image light to form coincident images at a predetermined position.