Patents Assigned to APPOTRONICS CORPORATION LIMITED
  • Publication number: 20220390823
    Abstract: A transparent projection screen and a manufacturing method. The transparent projection screen is for receiving projection light and transmitting ambient light and comprises a first substrate layer, a Fresnel structure layer, a surface diffusion layer, a nano metal plating layer, and a binding adhesive layer. The Fresnel structure layer is disposed on the first substrate layer and comprises a prism surface. The surface diffusion layer is disposed on a portion of the prism surface. The nano metal plating layer is disposed on the surface diffusion layer. The binding adhesive layer is disposed on the nano metal plating layer and fills and levels the prism surface. The projection light passes the first substrate layer and is incident on the prism surface and then reflected thereby. The ambient light passes the binding adhesive layer, the nano metal plating layer, the surface diffusion layer and the first substrate layer, and is emitted.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 8, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Hongxiu ZHANG, Zhiyi LU, Lin WANG, Yi LI
  • Publication number: 20220373875
    Abstract: The projection screen includes a reflective layer and a light-absorbing layer, where the reflective layer is configured to receive and reflect projection light, and the light-absorbing layer is arranged on the reflective layer; the light-absorbing layer includes a plurality of irregularly arranged light-absorbing members; and the light-absorbing members are configured to absorb at least a part of the projection light, so as to make a brightness of a projected image uniform.
    Type: Application
    Filed: October 24, 2020
    Publication date: November 24, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei HU, Shijie LI, Lin WANG, Yi LI
  • Publication number: 20220365409
    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.
    Type: Application
    Filed: August 31, 2020
    Publication date: November 17, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Jianhua ZHOU, Zhengping ZHOU, Xianpeng ZHANG, Xin YU
  • Publication number: 20220334457
    Abstract: A light source system and a display apparatus are provided. The light source system includes first and second light emitting assemblies, a wavelength conversion device, an optical assembly, and a light combining device. The first light emitting assembly generates at least one primary color light. The second light emitting assembly generates excitation light. The wavelength conversion device is at least partially disposed on the optical path of the excitation light, and used for receiving the excitation light and generating corresponding excited light. The optical assembly is disposed on the optical path of the excited light, and used for increasing the amount of optical expansion of the excited light. The light combining device is disposed on the common optical path of the primary color light and the excited light and located behind the optical assembly, and used for combining the primary color light and the excited light.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 20, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Zuqiang GUO, Bingke YANG, Yi LI
  • Publication number: 20220334459
    Abstract: An optical engine unit and a projection system are provided. The optical engine unit includes a light splitting assembly, first and second spatial light modulators, and a light combining assembly. The light splitting assembly splits an illumination beam incident on the light splitting assembly into first and second light beams. The first and second spatial light modulators respectively modulate the first and second light beams to form first and second modulated light beams. The light combining apparatus includes a light combining surface. The light combining surface is a coated surface and configured to combine the first modulated light beam and the second modulated light beam into an emergent light beam and emit the emergent light beam. An incident angle of the first modulated light beam on the light combining surface and that of the second modulated light beam being smaller than a total reflection angle of the light combining surface.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 20, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei HU, Peng DU
  • Publication number: 20220326517
    Abstract: A head-up display screen, a head-up display assembly, and a vehicle are provided. The head-up display screen is attached to an inner side of an attachment surface of a windshield and configured to reflect image light emitted towards the windshield. The head-up display screen includes a functional layer, a reflective layer, and a protective layer that are sequentially arranged in a direction from the windshield to a driving position. The functional layer includes prism microstructures protruding from the inner side of the attachment surface of the windshield. The reflective layer is at least attached to lower inclined surfaces of the prism microstructures and is configured to reflect the image light towards the driving position. The protective layer covers the reflective layer and the functional layer.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 13, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei HU, Lin WANG, Xiaofeng TANG, Shijie LI, Yi LI
  • Publication number: 20220326516
    Abstract: An optical film and an optical imaging system are provided. The optical film includes a first lens layer, a first deflection layer, a reflection layer, a second deflection layer, and a second lens layer. The second lens layer is attached to a windshield. The reflection layer is configured to reflect an image light beam to form a first reflected light beam and the first lens layer and the first deflection layer are configured to amplify and/or deflect the first reflected light beam, to guide the first reflected light beam to a field-of-view direction. The second lens layer and the second deflection layer are configured to amplify and/or deflect a second reflected light beam, to guide the second reflected light beam to a first direction. The second reflected light beam is formed by that the windshield reflects the image light beam. The field-of-view direction is different from the first direction.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 13, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Lin WANG, Hongxiu ZHANG, Xiaofeng TANG, Fei HU, Xin YU, Yi LI
  • Patent number: 11448949
    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.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: September 20, 2022
    Assignee: Appotronics Corporation Limited
    Inventors: Xin Yu, Fei Hu, Chao Wu, Yi Li
  • Patent number: 11448952
    Abstract: A screen comprises the following layers sequentially stacked from an incident side of projected light rays: a micro-lens layer, a transparent matrix layer, a total internal reflection layer, and a light-absorbing layer. The light-absorbing layer absorbs light passing through the micro-lens layer, the transparent matrix layer, and the total internal reflection layer. The micro-lens layer comprises a plurality of micro-lens units. The total internal reflection layer comprises a plurality of microstructure units. The microstructure unit has a lower first flat surface and an upper second flat surface. The first flat surface intersects the second flat surface. The plurality of microstructure units forms a serrated structure. The micro-lens units and the microstructure units are at least partially arranged in an alternating manner. The projected light rays converged toward the first flat surface exit after being totally internally reflected by the first flat surface and the second flat surface sequentially.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: September 20, 2022
    Assignee: Appotronics Corporation Limited
    Inventors: Lin Wang, Fei Hu, Wei Sun, Yi Li
  • Patent number: 11435657
    Abstract: Disclosed are a light source system and a control method thereof, as well as a display device and a control method thereof. The light source system includes: an array light source, including M light emitting bodies with independently adjustable brightness; an optical switch disposed on an optical path of light outputted from the array light source, for guiding illumination light emitted by the M light emitting bodies to N sub-regions of a preset illumination region; and a control device for controlling the optical switch to adjust, at a preset frame rate, a direction of the illumination light emitted from each of at least part of the M light emitting bodies, and guiding the illumination light emitted from each of the at least part of the light emitting bodies to a sub-region different from that for one or more image frames previous to the current image frame.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: September 6, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Xin Yu, Chao Wu, Fei Hu, Yi Li
  • Publication number: 20220276551
    Abstract: A projection screen includes an optical collimating layer and a surface diffusion layer which are arranged in sequence. A grating absorption layer for absorbing ambient light from various directions except a projection light direction is also provided between the optical collimating layer and the surface diffusion layer. The grating absorption layer includes a plurality of light-absorption ring-shaped units with different radii. The plurality of light-absorption ring-shaped units are arranged in a concentric ring. Each of the light-absorption ring-shaped units consists of a plurality of gratings arranged in the circumferential direction of the concentric ring. By taking a vertical symmetrical center line of the projection screen as a center, in a direction extending along the circumferential direction of the concentric ring to the left side and the right side of the projection screen, the distance between two adjacent gratings in the same light-absorption ring-shaped unit gradually increases.
    Type: Application
    Filed: June 28, 2020
    Publication date: September 1, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei HU, Wei SUN, Lin WANG, Yi LI
  • Patent number: 11422450
    Abstract: A light source device, comprising an excitation light source, a wavelength conversion element, a transparent substrate, and a light splitter. The wavelength conversion element comprises a wavelength conversion area and a scattering area. The excitation light source emits excitation light that has a first polarization state. The transparent substrate guides first part of the excitation light to the scattering area and guides second part of the excitation light to the light splitter; and the light splitter guides, directly or by means of a guiding device, the second part of the excitation light to the wavelength conversion area. The scattering area scatters the first part of the excitation light and guides the scattered first part of the excitation light to the transparent substrate; and the transparent substrate and the light splitter guide the scattered first excitation light to a light-emitting channel directly or by means of the guiding device.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: August 23, 2022
    Assignee: Appotronics Corporation Limited
    Inventors: Zu-Qiang Guo, Bing-Ke Yang, Yi Li
  • Patent number: 11415872
    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.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: August 16, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Dayan Dai, Hao Zhou, Xia Song, Yi Li
  • Patent number: 11402735
    Abstract: A projection system, comprising: a light-emitting apparatus for providing first light and second light emitted in a time sequence; a light-splitting system for dividing the first light into first primary color light and second primary color light, and dividing the second light into two paths of third primary color light; a spatial light modulator, comprising a first region and a second region, wherein the primary color light emitted along a first optical path enters the first region, and the primary color light emitted along a second optical path enters the second region; and an image processing apparatus for dividing, corresponding to the first region and the second region, image signals to be output into two groups, and changing the sequence of at least one of the groups so as to match the time sequence of primary color light received in a corresponding region.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 2, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Zuqiang Guo, Peng Du, Yi Li
  • Patent number: 11404010
    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.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 2, 2022
    Assignee: Appotronics Corporation Limited
    Inventors: Xin Yu, Fei Hu, Yi Li
  • Patent number: 11402736
    Abstract: A light source system includes an excitation light source configured to generate an excitation light; a wavelength conversion device including a conversion region and a non-conversion region, wherein the conversion region is configured to perform a wavelength conversion on the excitation light and first light along a first optical path, the non-conversion region is configured to scatter the excitation light and emit second light along a second optical path, and the conversion region is further configured to emit unconverted excitation light as third light along a third optical path; an adjustment device configured to guide and adjust the first light, the second light and the third light to be emitted in a first divergence angle, a second divergence angle, and a third divergence angle, respectively; and a first reflective element configured to guide the second light and a portion of the third light to enter the adjustment device.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 2, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Zuqiang Guo, Peng Du, Yi Li
  • Patent number: 11399162
    Abstract: A display system includes: a light source system configured to emit light beams; a scanner configured to scan the light beams on the surface of a spatial light modulator in the form of a light spot, the light spot corresponding to multiple pixels of the spatial light modulator; a spatial light modulator configured to modulate, according to an image modulation signal from a processing and control system, the light spot projected onto the spatial light modulator by the scanner to output image light; a processing and control system configured to output a light source timing modulation signal to a light source modulation device according to an input image signal and output an image modulation signal to the spatial light modulator; and a light source modulation device configured to adjust the output brightness of the light source system according to the light source timing modulation signal.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: July 26, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei Hu, Xin Yu, Chao Wu, Mengmeng Xu, Yi Li
  • Patent number: 11398180
    Abstract: A display control system and a display device. The display control system (1) comprises a control unit for controlling a light source (2) to be in a bright field and a dark field alternately in the same frame of data, and controlling the status switching of a light valve of a spatial light modulator (3) to be within the time of the dark field of the light source. The display device comprises the display control system (1). The control unit controls the bright field and the dark field of the light source, so that the light valve of the spatial light modulator (3) has a relatively long switching time, thereby increasing the switching speed of the light valve, reducing the difficulty for manufacturing the spatial light modulator (3), and improving the accuracy for the spatial light modulator (3) to modulate the light source.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 26, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Yi Li, Zeqin Wang
  • Publication number: 20220221780
    Abstract: A projection screen includes a substrate with a first substrate surface. The first substrate surface includes a first region and a second region adjacent to the first region. Multiple first wire grid bodies extending in a first direction are provided in the first region. Multiple second wire grid bodies extending in the first direction are provided in the second region. Each first wire grid body includes a first contact surface connected to the substrate and a first surface, and a first angle is formed therebetween. The first angles gradually decrease in a direction from the first region to the second region. Each second wire grid body includes a second contact surface connected to the substrate and a third surface, and a third angle is formed therebetween. The third angles gradually increase in a direction from the first region to the second region.
    Type: Application
    Filed: May 18, 2020
    Publication date: July 14, 2022
    Applicant: APPOTRONICS CORPORATION LIMITED
    Inventors: Shijie LI, Lin WANG, Fei HU, Wei SUN, Yi LI
  • Patent number: 11388345
    Abstract: An image data processing device includes a data acquisition module for acquiring image data including original data information of images, the original data information of each image including the luminance value of each pixel in the image, and the luminance range that the image data may represent being Lmin-Lmax; a data conversion module for receiving the image data and converting the original data information of each image into new data information; and a data output module for outputting the new data information of each image in the data conversion module together with the corresponding maximum relative luminance value ? thereof. A capturing equipment and a display system are also provided.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: July 12, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Fei Hu, Yi Li