Patents by Inventor Jianyu CHANG
Jianyu CHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240126111Abstract: A display module, a manufacturing method of the display module, and a spliced module are provided. The display module includes a middle frame, a plurality of planarization layers, and a display panel. A plurality of accommodating grooves are formed on a surface of the middle frame, and the planarization layers are respectively disposed in the accommodating grooves. Supporting surfaces of the planarization layers are coplanar. The display panel is disposed on the supporting surfaces of the planarization layers by a plurality of bonding adhesives. Since the planarization layers are formed by a leveling processing, the planarization layer has good surface flatness.Type: ApplicationFiled: November 29, 2022Publication date: April 18, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Mingjun ZHOU, Guofu TANG, Jianyu CHANG
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Patent number: 11306893Abstract: A display device includes a display panel and a backlight module. The backlight module includes a plurality of light sources arranged on a bottom plate, a plurality of lenses disposed on a light emission surface of the light sources, and a diffuser board is on the lens. The lens includes a lens body disposed on the light emission surface of the light source, and a supporting portion disposed between the lens body and the diffuser board. The lens body is configured to diffuse light from the light source, with the supporting portion configured to support the diffuser board.Type: GrantFiled: May 21, 2019Date of Patent: April 19, 2022Assignee: Huizhou China Star Optoelectronics Technology Co., Ltd.Inventors: Zanjia Su, Gang Yu, Yongyuan Qiu, Jianyu Chang, Linlin Fu, Zhuping Luo
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Publication number: 20220049834Abstract: The present invention provides a backlight module and a display device. The backlight module includes a light source, lens and a diffuser board. The lens is disposed on a light emission surface of the light source. The diffuser board is disposed on the lens. The lens includes a lens body and a supporting portion. The lens body is disposed on the light emission surface of the light source. The supporting portion is disposed between the lens body and the diffuser board. The lens body is configured to diffuse light from the light source. The supporting portion is configured to support the diffuser board.Type: ApplicationFiled: May 21, 2019Publication date: February 17, 2022Inventors: Zanjia SU, Gang YU, Yongyuan QIU, Jianyu CHANG, Linlin FU, Zhuping LUO
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Publication number: 20210080636Abstract: A backlight module and a display device are disclosed. The backlight module includes a backlight source for emitting a blue light; a light guide plate having a light-incident surface and a light-emitting surface; a red quantum dot layer; and a green quantum dot layer; wherein the red quantum dot layer and the green quantum dot layer are respectively located at the light-incident surface and the light-emitting surface, the blue light emitted from the backlight source sequentially passes through the red quantum dot layer, the light guide plate and the green quantum dot layer to emit out. The present invention can increase the light efficiency of the backlight module and a display effect of the display device.Type: ApplicationFiled: March 14, 2018Publication date: March 18, 2021Inventors: Jianyu CHANG, Yung-Jui LEE, Yuchun HSIAO, Sheng-jer CHANG CHIEN
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Patent number: 10775550Abstract: The present disclosure relates to an optical film configured on a top of a light guide plate. The optical film is made of quantum dot (QD) material, and the optical film is filled with a plurality of diffusion particles configured to uniformly distribute incident light toward different angles. As such, the backlight emitted from the backlight module may be uniform and may be emitted toward different angles, the color difference and the chromaticity of the display device from different viewing angles may be the same, and the performance of the display device may be improved.Type: GrantFiled: August 24, 2018Date of Patent: September 15, 2020Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianyu Chang, Yungjui Lee, Yuchun Hsiao, Shengjer Changchien
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Patent number: 10649129Abstract: The present invention discloses a light guide plate, a backlight module and a display device. The light guide plate comprises a light conversion layer, the light conversion layer is arranged at a light emitting plane of the light guide plate for receiving a first light and converting the same to at least a second light to emit. According to the aforesaid aspect, the present invention can improve the display effect of the display device by making the emitted light have a better diffusivity and a larger brightness view angle.Type: GrantFiled: July 18, 2017Date of Patent: May 12, 2020Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Lixuan Chen
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Patent number: 10591776Abstract: The present application discloses a backlight module and a display device, the backlight module including a light source for emitting at least a first light; at least two sheets of light conversion films, wherein at least one sheet of light conversion films receives the first light and converts the light into at least a second light to emit, and makes the light emitting angle of the backlight module matching the wide viewing angle display requirements. It can increase the light emitting angle of the backlight module and achieve the wide viewing angle effect. By having at least two sheets of light conversion films at the same time, a part of the light is reflected back while the light is scattered and emitted at the same time, and the light is excited and emitted again, to improve the light utilization rate, enhance the brightness to have a better performance of display.Type: GrantFiled: July 18, 2017Date of Patent: March 17, 2020Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Zanjia Su
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Patent number: 10527774Abstract: The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a base film and a functional layer stacking up to the base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.Type: GrantFiled: July 17, 2017Date of Patent: January 7, 2020Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Zanjia Su, Bo Hai
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Publication number: 20190265403Abstract: The present disclosure relates to an optical film configured on a top of a light guide plate. The optical film is made of quantum dot (QD) material, and the optical film is filled with a plurality of diffusion particles configured to uniformly distribute incident light toward different angles. As such, the backlight emitted from the backlight module may be uniform and may be emitted toward different angles, the color difference and the chromaticity of the display device from different viewing angles may be the same, and the performance of the display device may be improved.Type: ApplicationFiled: August 24, 2018Publication date: August 29, 2019Inventors: Jianyu CHANG, Yungjui LEE, Yuchun HSIAO, Shengjer CHANGCHIEN
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Publication number: 20190265404Abstract: The present disclosure relates to an optical film, configured on a top of a light guide plate, including: a diffusion sheet and an enhancement sheet configured on the diffusion sheet. At least one of the diffusion sheet and the enhancement sheet is doped with quantum dot (QD) material. As such, the emergent angle may be increased, and the viewing angle of the display device may be increased.Type: ApplicationFiled: October 4, 2018Publication date: August 29, 2019Inventors: Jianyu CHANG, Yungjui LEE, Yuchun HSIAO, Shengjer CHANGCHIEN
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Patent number: 10359559Abstract: The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a functional layer but does not include a base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, and the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to at least a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.Type: GrantFiled: July 14, 2017Date of Patent: July 23, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Zanjia Su, Bo Hai
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Publication number: 20190219874Abstract: The invention provides a backlight module, comprising a backlight source, a light-guiding plate, and a quantum dot layer, all stacked in sequence; the quantum dot layer comprising: a first surface and a second surface, oppositely disposed, the second surface being adhered to the light-guiding plate, and the quantum dot layer being disposed with a plurality of first areas and a plurality of second areas formed between the first surface and the second surface; each first area being disposed between two adjacent second areas so as to form the first area and the second area alternately arranged; the first area having a concentration of the quantum dots less than concentration of the quantum dots in the second area; the first surface forming the first areas comprising a first curved surface, and the first curved surface being used to perform scattering on light passing through the first area.Type: ApplicationFiled: June 29, 2018Publication date: July 18, 2019Inventors: Jianyu CHANG, Yung-Jui LEE, Yuchun HSIAO, Sheng-jer CHANG CHIEN
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Patent number: 10247983Abstract: A light conversion film for a backlight module, a backlight module and a display device are disclosed. The backlight module includes a light source that emits at least a first light; a light conversion film that receives the first light, converts the first light into a second light and emits the second light such that a light emission angle of the backlight module is greater than 120 degrees and a color temperature is less than 15000. The present invention can increase a brightness viewing angle to reach 120 degrees. Besides, the light conversion film has a higher light excitation efficiency, capable of decreasing the color temperature of the backlight module, and enhances the display effect.Type: GrantFiled: July 14, 2017Date of Patent: April 2, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jianyu Chang, Yung-jui Lee, Yu-chun Hsiao, Sheng-Jer Chang Chien, Zanjia Su
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Publication number: 20190004231Abstract: The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a base film and a functional layer stacking up to the base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.Type: ApplicationFiled: July 17, 2017Publication date: January 3, 2019Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Zanjia SU, Bo HAI
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Publication number: 20190004375Abstract: The present disclosure discloses an optical film, a backlight module and a display device for a backlight module, and relates to a liquid crystal panel display technology field. The backlight module including: a light source emitting at least a first light; the optical film includes a light converting material which receives the first light and converts it into at least a second light exit such that the light emitting angle of the backlight module is greater than 120 degrees. In the above-described manner, the present disclosure enables the backlighting angle of the backlight module to be greater than 120 degrees, and the display device having the backlight module can be brought to a wide viewing angle effect.Type: ApplicationFiled: July 18, 2017Publication date: January 3, 2019Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Zanjia SU
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Publication number: 20190004374Abstract: The present application discloses a backlight module and a display device, the backlight module including a light source for emitting at least a first light; at least two sheets of light conversion films, wherein at least one sheet of light conversion films receives the first light and converts the light into at least a second light to emit, and makes the light emitting angle of the backlight module matching the wide viewing angle display requirements. It can increase the light emitting angle of the backlight module and achieve the wide viewing angle effect. By having at least two sheets of light conversion films at the same time, a part of the light is reflected back while the light is scattered and emitted at the same time, and the light is excited and emitted again, to improve the light utilization rate, enhance the brightness to have a better performance of display.Type: ApplicationFiled: July 18, 2017Publication date: January 3, 2019Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Zanjia SU
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Publication number: 20190004232Abstract: The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a functional layer but does not include a base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, and the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to at least a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.Type: ApplicationFiled: July 14, 2017Publication date: January 3, 2019Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Zanjia SU, Bo HAI
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Publication number: 20180335560Abstract: The present invention discloses a light guide plate, a backlight module and a display device. The light guide plate comprises a light conversion layer, the light conversion layer is arranged at a light emitting plane of the light guide plate for receiving a first light and converting the same to at least a second light to emit. According to the aforesaid aspect, the present invention can improve the display effect of the display device by making the emitted light have a better diffusivity and a larger brightness view angle.Type: ApplicationFiled: July 18, 2017Publication date: November 22, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co. , Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Lixuan CHEN
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Publication number: 20180321526Abstract: A light conversion film for a backlight module, a backlight module and a display device are disclosed. The backlight module includes a light source that emits at least a first light; a light conversion film that receives the first light, converts the first light into a second light and emits the second light such that a light emission angle of the backlight module is greater than 120 degrees and a color temperature is less than 15000. The present invention can increase a brightness viewing angle to reach 120 degrees. Besides, the light conversion film has a higher light excitation efficiency, capable of decreasing the color temperature of the backlight module, and enhances the display effect.Type: ApplicationFiled: July 14, 2017Publication date: November 8, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co. , Ltd.Inventors: Jianyu CHANG, Yung-jui LEE, Yu-chun HSIAO, Sheng-Jer CHANG CHIEN, Zanjia SU
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Patent number: 10012867Abstract: A liquid crystal device and the backlight module thereof are disclosed. The backlight module includes a back plate, at least one optical film, a plurality of optical fibers, and a reflector. The optical fibers are arranged to configure at least one light bar of the backlight module. The optical film and the back plate are spaced apart and opposite to each other to define a chamber for the light beams to be transmitted. The optical fibers positioned by the reflector are located at one lateral side of the chamber such that each of the optical fibers and the back plate form a predetermined inclined angle. In addition, the reflector is arranged at light-emitting locations of the optical fibers so as to adjust an emitting angle of the light beams entering the chamber. The back plate reflects the light beams irradiated on the back plate back to the optical film. The uniformity of the transmitted and mixed light beams is guaranteed when the backlight module is adopted in large-scale LCD.Type: GrantFiled: April 16, 2015Date of Patent: July 3, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Jianyu Chang