公开(公告)号：US20220291579A1

公开(公告)日：2022-09-15

申请号：US17597434

申请日：2020-06-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Lin WANG ,  Xiaofeng TANG ,  Wei SUN ,  Yi LI

IPC: G03B21/60

Abstract: Provided is a projection screen, the taper angles of a plurality of triangular pyramid units arranged in an array are designed to gradually change according to a predetermined relationship, so that the image light emitted from the projector is reflected by a microstructure layer with a triangular pyramid unit and then converges to a range centered on the human eye, which reduces the difference in brightness at different viewing positions, so as to ensure that the projection screen has high brightness uniformity and high gain.

公开(公告)号：US20220180827A1

公开(公告)日：2022-06-09

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: G09G3/34

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：US20220121093A1

公开(公告)日：2022-04-21

申请号：US17419217

申请日：2019-12-23

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Dayan DAI ,  Hao ZHOU ,  Xia SONG ,  Yi LI

IPC: G03B21/20 ,  G02B26/00 ,  G02B5/02

Abstract: A wavelength conversion device and a light-emitting device and a projection device using the wavelength conversion device are provided. The wavelength conversion device includes a substrate capable of rotating around a rotating shaft, the substrate includes a first surface and a second surface opposite to each other, and an annular side surface, which is formed between the first surface and the second surface and is not perpendicular to the first surface. The first surface is provided with a wavelength conversion material layer, and the annular side surface includes a first area and a second area. The first area and the second area are used to reflect incident light beams.

公开(公告)号：US20220082915A1

公开(公告)日：2022-03-17

申请号：US17420509

申请日：2019-12-23

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Zuqiang GUO ,  Ning LU ,  Yi LI

IPC: G03B21/20 ,  G02B27/14 ,  G02B26/00

Abstract: Provided is a light source system, including: an excitation light source for emitting excitation light; a wavelength conversion device provided with a conversion layer which is used to perform wavelength conversion on at least a portion of the excitation light to obtain stimulated light, and to exit the stimulated light and the unconverted excitation light; and a dichroic assembly which is used to guide the stimulated light exited from the conversion layer to propagate along the second optical path, and finally to exit from the light source system along the exit optical path, and to guide at least a portion of the unconverted excitation light exited from the conversion layer (P) to transmit on a path, which is not the exit optical path. Further provided is a projection device comprising the above light source system.

公开(公告)号：US20220035230A1

公开(公告)日：2022-02-03

申请号：US16960069

申请日：2018-03-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei HU ,  Haixiong HOU ,  Xiaofeng TANG ,  Yi LI

IPC: G03B21/20 ,  G02B27/10

Abstract: A light source system and a projection apparatus are provided. The light source system includes a first light source, a second light source including a second blue laser light source, a wavelength conversion element configured to convert second blue laser light into excited light, and a controller. The first light source includes a first blue laser light source configured to emit first blue laser light, a red laser light source configured to emit red laser light, and a green laser light source configured to emit green laser light. The controller controls the first and second blue laser light sources, the red laser light source, and the green laser light source to combine the first blue laser light, the red laser light, and the green laser light to form light source light, or to combine the first blue laser light and the excited light to form the light source light.

公开(公告)号：US20220017786A1

公开(公告)日：2022-01-20

申请号：US17299758

申请日：2019-11-18

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Jie WANG ,  Lin WANG ,  Hongxiu ZHANG ,  Fei HU ,  Yi LI

IPC: C09J7/25 ,  G03B21/56 ,  C09J7/24 ,  C09J5/00

Abstract: A screen splicing structure is provided. The screen splicing structure includes a substrate layer, a middle adhesive layer, and a surface layer. The substrate layer includes a first substrate and a second substrate. The second substrate is spliced with the first substrate, and a seam is formed at a splicing place. The surface layer and the middle adhesive layer are stacked. The surface layer covers the seam by bonding the middle adhesive layer and the substrate layer. The peeling strength of the surface layer and the substrate layer is greater than or equal to 1,000 gf/inch. A method for forming the screen splicing structure is also provided.

公开(公告)号：US20210341827A1

公开(公告)日：2021-11-04

申请号：US17280784

申请日：2019-08-14

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Lin WANG ,  Wei SUN ,  Jie WANG ,  Fei HU ,  Yi LI

IPC: G03B21/602 ,  G02B5/02 ,  G02B5/00

Abstract: A projection screen and a projection system using the projection screen. The projection screen includes a microstructure layer and a light absorbing layer sequentially stacked from the side where a projected light is introduced. The microstructure layer includes multiple microstructure units. Each microstructure unit includes one reflective surface and one lens surface opposite the reflective surface; moreover, the reflective surface is provided at a position matching the focus of the lens surface. The projection screen and the projection system can resist ambient light and have a high gain and a high contrast.

公开(公告)号：US20210333698A1

公开(公告)日：2021-10-28

申请号：US17273272

申请日：2019-03-01

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Xin YU ,  Chao WU ,  Fei HU ,  Yi LI

IPC: G03B21/20 ,  G03B21/00 ,  G02B6/35

Abstract: Disclosed are a light source system and control method thereof, as well as a display device and control method thereof. The light source system comprises: an array light source, comprising M illuminants with independently adjustable brightness; an optical switch, arranged on an emergent optical path of the army light source, for guiding illumination light emitted by the M illuminants to N sub-regions of a preset light region; and a control device for controlling an optical switch to adjust at a preset frame rate the direction of the illumination light emitted by at least part of the M illuminants, and guiding the illumination light emitted by at least part of the illuminants to sub-regions different from the previous one or more image frames of the current image frame.

公开(公告)号：US20210218937A1

公开(公告)日：2021-07-15

申请号：US17272902

申请日：2019-04-08

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Peng DU ,  Ning LU ,  Zuqiang GUO ,  Yi LI

IPC: H04N9/31

Abstract: A light source system comprises: an exciting light source for emitting exciting light; a supplemental light source for emitting supplemental light; a wavelength conversion apparatus for converting the wavelength of part of the exciting light and emitting first light; and a guide apparatus comprising a converging lens and a light combining element. The converging lens is used for adjusting a divergence angle of the first light. The light combining element comprises a first region. The supplemental light focuses on the vicinity of the first region, and the supplemental light and the first light emitted from the converging lens are combined with etendue at the light combining element. Light spots of the first light on a surface of the wavelength conversion apparatus form a magnified image at the light combining element by means of the converging lens.

公开(公告)号：US20210149287A1

公开(公告)日：2021-05-20

申请号：US16964165

申请日：2018-03-28

Applicant: APPOTRONICS CORPORATION LIMITED

Inventor： Fei HU ,  Zuqiang GUO ,  Yi LI

IPC: G03B21/20 ,  H04N9/31

Abstract: A projection device, comprising a light source device and a control device. The light source device is configured to, according to instructions, emit laser light of first primary color, second primary color, third primary color, and a fourth mixed color fluorescence, respectively. The control device is configured to determine a color gamut range of pixels of an image to be modulated, and transmit the instructions according to the color gamut range to control the light source device to output light required for modulation of the image to be modulated from the laser light of first primary color laser, second primary color, third primary color, and fourth mixed color fluorescence, respectively. The device and method are capable of modulating an image with a wide color gamut, and also save light source energy.