Patents Assigned to Radiant Opto-Electronics Corporation
  • Publication number: 20230039075
    Abstract: A light module driving method for a illumination device, wherein the illumination device includes a driving unit, a transformation unit, a compensation and calibration unit and a light module, and the driving unit is configured to output a light driving signal according to a source, wherein the transformation unit is coupled to the driving unit and the light module, and the light driving signal is configured to drive a plurality of lighting zones corresponding to a light-emitting diode (LED) module of the light module, wherein the light module driving method includes transforming, by the transformation unit, the light driving signal into a plurality of modulated light driving signals according to the compensation and calibration unit to drive each lighting zone corresponding to the LED module.
    Type: Application
    Filed: September 19, 2022
    Publication date: February 9, 2023
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Jon-Hong Lin, Peng-Hsiang Wu, Chun-Yi Sun
  • Patent number: 11567257
    Abstract: A lamp, a lamp system, a method for assembling a lamp system, and a method for disassembling a lamp system are provided. The lamp includes frame body, fixing mechanism, light guide plate, light source, electrical connecting assembly and suspension member. The fixing mechanism has a side surface, a top surface and a groove, and the groove extends from the side surface to the top surface. The groove has a first end and a second end respectively on the side surface and the top surface. The light guide plate, the light source and the fixing mechanism are disposed on the frame body. The electrical connecting assembly is disposed on the frame body. The electrical connecting assembly is connected to the light source to form an electrical loop. One end of the suspension member is passed through the groove from the first end and is positioned in the second end.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: January 31, 2023
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chih-Hung Ju, Cheng-Ang Chang
  • Publication number: 20230013893
    Abstract: A backlight module includes at least one optical film and a backlight unit. The optical film has a light incident side and a light emitting side opposite to the light incident side. A plurality of light incident microstructures are formed on the light incident side, and the light incident microstructures are tapered structures. The backlight unit is disposed on the light incident side of the optical film and includes a light source. According to the structural design of the light incident microstructures of the optical film, the light field of the light source can be expanded to achieve the purpose of emitting light at a specific angle. The invention also provides a display device including the backlight module.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 19, 2023
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Wei-Hsuan CHEN, Chung-Yung TAI, Wen-Hao CAI, Chun-Yi WU
  • Patent number: 11531154
    Abstract: A backlight module and a display device are provided. The backlight module includes an optical film and a light source. The optical film includes a main body and optical structures. The main body has a light-emitting surface, an optical surface, a first side surface and a second side surface. The optical structures are disposed on the main body. Each of optical structures has a first surface and a second surface. The first surface is inclined relative to the optical surface. A first angle is formed between the first surface and the optical surface. The second surface is inclined relative to the optical surface, and a second angle is formed between the second surface and the optical surface. The first angles and the second angles are acute angles, and the first angles of the optical structures vary along a first direction from the first side surface to the second side surface.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 20, 2022
    Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Po-Chang Huang, Kun-Cheng Lin
  • Patent number: 11525952
    Abstract: A light guide plate includes a main body, stripe structures, and light-adjusting structures. The main body includes a light-incident surface and an optical surface. The stripe structures are disposed on the optical surface. The light-adjusting structures are disposed between two adjacent stripe structures. Each of the light-adjusting structures includes a first light active surface and a second light active surface. The first light active surface faces towards the light-incident surface. The second light active surface faces towards an opposite light-incident surface. The first light active surface and the second light active surface are inclined towards different directions and formed a non-symmetrical shape. A first included angle is formed between the first light active surface and the optical surface. A second included angle is formed between the second light active surface and the optical surface. The first included angle and the second included angle are acute angles.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: December 13, 2022
    Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
  • Patent number: 11513281
    Abstract: A light source structure, a backlight module and a display are provided. The light source structure includes a substrate and plural light source groups. The light source groups are arranged on the substrate, in which each of the light source groups includes plural light-emitting units, and there is a first distance between any two adjacent light-emitting units in each of the light source groups, and there is a second distance between two closest light-emitting units that are respectively in any two adjacent light source groups. The second distance is smaller than the first distance.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: November 29, 2022
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Jui-Lin Chen, Pin-Hsun Lee, Yen-Ping Cheng, Yuan-Jhang Chen, Ruei-Lin Huang
  • Patent number: 11500144
    Abstract: A light guide plate includes a main body, first stripe structures and second stripe structures. The main body has an optical surface, a light-incident surface and an opposite light-incident surface. The main body has a hole passing through the optical surface, and the optical surface has a first region and a second region which are separated by an imaginary line. The imaginary line intersects the hole. The hole has a first side near the opposite light-incident surface and a second side near the light-incident surface. A portion of each of the first stripe structures is disposed in the first region. The second stripe structures are disposed in the second region. An extending direction of at least one portion of each first stripe structure is vertical to the light-incident surface, and a portion of the second stripe structures extends to the first side of the hole near the opposite light-incident surface.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: November 15, 2022
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chia-Yin Chang, Po-Chang Huang, Kun-Cheng Lin
  • Patent number: 11487155
    Abstract: A backlight module includes an optical plate, a light source, and at least one optical film. The optical plate includes a light-emitting surface, a bottom surface and a side surface. The light source faces to the bottom surface or the side surface. The optical film is disposed above the light-emitting surface and includes a main body and at least one refractive part disposed on an end surface of the main body. The refractive part includes a plurality of microstructures and a substrate. The substrate is adhered to the end surface, and the microstructures are distributed in the substrate.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 1, 2022
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Yi-Lin Tsai, Shin-Min Huang, Chen-Ming Li
  • Publication number: 20220328211
    Abstract: A conductive rod includes an outer tube unit, at least one insulating member, and a conductive unit. The outer tube unit is made of conductive material, and has a first end and a second end, the first end and the second end are communicated with a tube space. The insulating member is disposed on the first end of the outer tube unit. One end of the conductive unit is positioned on the insulating member, and the other end of the conductive unit extends toward the second end along the tube space of the outer tube unit. The conductive unit is not in contact with the outer tube unit. The present invention also provides a lamp, comprising at least one conductive rod as described above, a lamp holder combined with a top end of the conductive rod, and a base combined with a bottom end of the conductive rod.
    Type: Application
    Filed: May 17, 2022
    Publication date: October 13, 2022
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Chung-Kuang CHEN, Guo-Hao HUANG
  • Patent number: 11460168
    Abstract: A lamp includes a lamp holder, a lampshade combined with the lamp holder, and at least one diffuser. The lamp holder includes a base, a circuit board arranged on the base, and a plurality of light-emitting elements arranged on the circuit board. The diffuser is used to cover the light-emitting elements, and a sufficient distance between the diffuser and the light-emitting elements is maintained so that the light of the light-emitting elements are diffused uniformly, which can reduce the light spots caused by the special shape of the lampshade or the excessive distance between the light-emitting elements and improve the light uniformity of the lamp.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: October 4, 2022
    Assignees: RADIANT OPTO ELECTRONICS (SUZHOU) CO., LTD., RADIANT OPTO ELECTRONICS CORPORATION
    Inventors: Guo-Hao Huang, Chung-Kuang Chen, Chun-Yi Sun
  • Publication number: 20220291549
    Abstract: A backlight module includes an optical plate, a light source, and at least one optical film. The optical plate includes a light-emitting surface, a bottom surface and a side surface. The light source faces to the bottom surface or the side surface. The optical film is disposed above the light-emitting surface and includes a main body and at least one refractive part disposed on an end surface of the main body. The refractive part includes a plurality of microstructures and a substrate. The substrate is adhered to the end surface, and the microstructures are distributed in the substrate.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 15, 2022
    Applicant: Radiant Opto-Electronics Corporation
    Inventors: Yi-Lin Tsai, Shin-Min Huang, Chen-Ming Li
  • Patent number: 11391988
    Abstract: A light source module includes a back plate and light-emitting units. The back plate includes a bottom plate and a sidewall. An included angle is formed between an outer side surface of the sidewall and a horizontal plane where the bottom plate is located, and the included angle is an acute angle. An optical distance is defined between a top end of the sidewall and the horizontal plane. The light-emitting units are arranged in the back plate. The light-emitting units which are closest to the sidewall are defined as target light-emitting units, and each of the target light-emitting units has a radiation angle, and each of the target light-emitting units is separated from the sidewall by a distance. The first horizontal distance is determined by a tangent function of a complementary angle of the radiation angle, the second horizontal distance is determined by a tangent function of the included angle.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: July 19, 2022
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Chang-Yao Chen, Chih-Chiang Chang, Ya-Yin Tsai
  • Patent number: 11372283
    Abstract: A backlight module includes an optical plate, a light source, and at least one optical film. The optical plate includes a light-emitting surface, a bottom surface and a side surface. The light source faces to the bottom surface or the side surface. The optical film is disposed above the light-emitting surface and includes a main body and at least one refractive part disposed on an end surface of the main body. The refractive part has a plurality of microstructures. The refractive part has non-uniform thickness relative to the end surface along a side direction. A refractive index of the refractive part is different from a refractive index of the main body, such that a plurality of light rays are deflected toward different directions after passing through the refractive part.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: June 28, 2022
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Yi-Lin Tsai, Shin-Min Huang, Chen-Ming Li
  • Patent number: 11320122
    Abstract: A suspension wire structure comprises a conductive wire, a plurality of supporting stranded wires and a protective layer. The conductive wire has a first strand made of a first material. The plurality of supporting stranded wires surround the conductive wire, and each of the supporting stranded wires has a plurality of supporting strands made of a second material. The protective layer covers the surface of the conductive wire and is located between the conductive wire and the plurality of supporting stranded wires. The plurality of supporting stranded wires and the protective layer are conductive, and the protective layer is made of a third material. The first material, the second material and the third material are different from each other.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 3, 2022
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Guo-Hao Huang, Shang-Chia Liu, Chun-Yi Sun
  • Patent number: 11320580
    Abstract: A light directing sheet includes a light-incident side and a light-exit side opposite to the light-incident side. The light-exit side can be divided into a middle area and two side areas along an X-axis direction. The side areas are located on both sides of the middle area. A plurality of strip structures are protruded and arranged on each of the side areas, and the strip structures are arranged along the direction of the X axis and elongated along the direction of a Y axis perpendicular to the X axis. The strip structures are in a staggered arrangement of high microstructures and low microstructures with a height lower than the high microstructures. Through the type and arrangement of the strip structures on the light directing sheet, the light with an excessively large angle can be refracted again. A backlight module and a display device include the light directing sheet.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: May 3, 2022
    Assignees: RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO. LTD., RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Wei-Hsuan Chen, Yung-Hui Tai
  • Patent number: 11320583
    Abstract: A backlight module comprises a frame unit, a plurality of light-emitting units, a first optical unit and a second optical unit. The frame unit includes a metal rear frame. The metal rear frame has a first carrying portion, and a second carrying portion spaced from the first carrying portion. The first carrying portion and the second carrying portion are not at the same height. One of the plurality of light-emitting units is disposed on the first carrying portion, and another one of the plurality of light-emitting units is disposed on the second carrying portion. The first optical unit is configured to receive the light generated from the light-emitting unit disposed on the first carrying portion, and the second optical unit is configured to receive the light generated from the light-emitting unit disposed on the second carrying portion. Through the structure of the metal rear frame, the light-emitting unit can directly contact the metal rear frame and the heat dissipation efficiency can be enhanced.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: May 3, 2022
    Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO, LTD, RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Lin-Yu Huang, Yi-Shan Lin, Ching-Chieh Yeh
  • Patent number: 11300818
    Abstract: A frame assembly is adapted to fix at least a film, an outer edge of the film is provided with at least a first assembly portion, and the frame assembly comprises a back plate, a frame unit, and at least a fixing unit. The frame unit includes an outer frame portion disposed outside an outer edge of the back plate, and a holding portion connected to the outer frame portion, wherein the holding portion has a bottom surface and a top surface opposite to the bottom surface. The fixing unit is combined with the bottom surface of the holding portion, and the fixing unit includes a second assembly portion that is not covered by the holding portion and combined with the first assembly portion of the film, so that the film is fixed in the frame assembly.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: April 12, 2022
    Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Ming-Cheng Lin, Yung-Chieh Chao, Cheng-An Hsu, Kuo-Hsuan Lu
  • Patent number: 11243344
    Abstract: A light source structure, a backlight module and a display are provided. The light source structure includes a substrate and plural light source groups. The light source groups are arranged on the substrate, in which each of the light source groups includes plural light-emitting units, and there is a first distance between any two adjacent light-emitting units in each of the light source groups, and there is a second distance between two closest light-emitting units that are respectively in any two adjacent light source groups. The second distance is smaller than the first distance.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 8, 2022
    Assignees: Radiant Opto-Electronics (Suzhou) Co., Ltd., Radiant Opto-Electronics Corporation
    Inventors: Jui-Lin Chen, Pin-Hsun Lee, Yen-Ping Cheng, Yuan-Jhang Chen, Ruei-Lin Huang
  • Patent number: 11156341
    Abstract: A backlight module and a display device are provided. The backlight module includes a light source structure and at least one optical film. The optical film is disposed above the light source structure. The optical film includes a main body and plural optical structures. The optical structures are disposed on the main body. Each of the optical structures is a tapered structure. Each of the optical structures has plural side surfaces, and a portion of light emitted from the light source structure is guided toward plural primary directions when passing through the side surfaces of the optical structures, and therefore the light emitted from the light source is no longer concentrated on the top of each of the optical structures.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: October 26, 2021
    Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics Corporation
    Inventors: Yen-Chuan Chu, Chia-Yin Chang, Chin-Ting Weng, Yi-Ching Chung, Hao Chen
  • Patent number: 11156864
    Abstract: A backlight module includes a carrying member, a light source, a light guide plate, a fixing frame and an outer component. The light source is disposed on the carrying member. The light guide plate is disposed on the carrying member, in which a light-incident surface of the light guide plate is disposed adjacent to the light source. The fixing frame fixed on a bottom portion of the carrying member along a first direction. The outer component is fixed on the fixing frame along a second direction.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: October 26, 2021
    Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics Corporation
    Inventors: Teng-Yi Huang, Yung-Chieh Chao