Patents by Inventor Jianghui ZHAN
Jianghui ZHAN 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: 20250022393Abstract: A grating regulating device includes: a first substrate, a conductive layer, a dielectric layer and a second substrate arranged in stack, the conductive layer includes a wiring layer, a first insulating layer and a first electrode layer arranged in stack, the wiring layer includes a plurality of driving lines, and the first electrode layer includes a plurality of sub-electrodes arranged in a first direction. The driving lines are for transmitting a driving signal to the sub-electrodes, and the sub-electrodes are for, by the effect of the driving signal, driving corresponding positions of the dielectric layer to be light-transmitting or opaque. The grating regulating device includes a grating region including a plurality of common-signal units, each of the common-signal units includes at least one grating unit, the grating unit includes a plurality of sub-electrodes, and the plurality of sub-electrodes located in the same grating unit are connected to different driving lines.Type: ApplicationFiled: August 30, 2022Publication date: January 16, 2025Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhao Dong, Ru Zhou, Hu Li, Baoman Li, Jianghui Zhan
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Publication number: 20250012962Abstract: Provided is a front light source module. The front light source module is configured to be arranged on a display side of a reflective display, and the front light source module comprises: a light guide plate and an edge-lit light source; wherein a light exit surface of the light source faces a side of the light guide plate; and a plurality of dots and a plurality of release coatings in one-to-one correspondence to the plurality of dots are disposed on a first surface of the light guide plate, and an orthographic projection of the release coating on a second surface of the light guide plate is overlapped with an orthographic projection of the dot corresponding to the release coating on the second surface of the light guide plate.Type: ApplicationFiled: November 25, 2022Publication date: January 9, 2025Inventors: Hu LI, Jianghui ZHAN, Douqing ZHANG, Liangliang ZHENG
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Patent number: 11409149Abstract: An electronic device includes a first base substrate, a flexible member, and a bending auxiliary structure. The first base substrate includes a first side. The flexible member includes a first end, a second end opposite to the first end, and a main body portion located between the first end and the second end. The first end is connected to the first base substrate at the first side. The bending auxiliary structure is provided at the first side and including at least one curved surface. The main body portion of the flexible member is bent around the at least one curved surface of the bending auxiliary structure, so that the first end and the main body portion or the first end and the second end are at least partially overlapped in a direction perpendicular to the first base substrate.Type: GrantFiled: May 13, 2019Date of Patent: August 9, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jianghui Zhan, Xuemei Zhao, Guanghua Hu, Guanglei Yang, Hu Li, Wenyu Zeng
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Publication number: 20210405430Abstract: An electronic device includes a first base substrate, a flexible member, and a bending auxiliary structure. The first base substrate includes a first side. The flexible member includes a first end, a second end opposite to the first end, and a main body portion located between the first end and the second end. The first end is connected to the first base substrate at the first side. The bending auxiliary structure is provided at the first side and including at least one curved surface. The main body portion of the flexible member is bent around the at least one curved surface of the bending auxiliary structure, so that the first end and the main body portion or the first end and the second end are at least partially overlapped in a direction perpendicular to the first base substrate.Type: ApplicationFiled: May 13, 2019Publication date: December 30, 2021Applicants: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jianghui Zhan, Xuemei Zhao, Guanghua Hu, Guanglei Yang, Hu Li, Wenyu Zeng
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Patent number: 11126036Abstract: The present disclosure provides a backlight module assembly, structural adjustment method thereof and display device. The backlight module assembly includes a plastic frame, a film and an adjustment sheet. The plastic frame is presented in a box shape with an opening on the top, and has side walls and a bottom wall, and a space enclosed by the side walls and the bottom wall being a mounting groove. The film is arranged on the bottom wall and received within the mounting groove. The adjustment sheet is arranged on an inner side of the side wall of the mounting groove.Type: GrantFiled: March 17, 2020Date of Patent: September 21, 2021Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiang Zhu, Hongchao He, Jianghui Zhan, Rui Wang, Yuxi Dong, Changjun Zhang, Bo Zhang, Dan Liu, Tongmin Liu
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Publication number: 20200218119Abstract: The present disclosure provides a backlight module assembly, structural adjustment method thereof and display device. The backlight module assembly includes a plastic frame, a film and an adjustment sheet. The plastic frame is presented in a box shape with an opening on the top, and has side walls and a bottom wall, and a space enclosed by the side walls and the bottom wall being a mounting groove. The film is arranged on the bottom wall and received within the mounting groove. The adjustment sheet is arranged on an inner side of the side wall of the mounting groove.Type: ApplicationFiled: March 17, 2020Publication date: July 9, 2020Inventors: Jiang ZHU, Hongchao HE, Jianghui ZHAN, Rui WANG, Yuxi DONG, Changjun ZHANG, Bo ZHANG, Dan LIU, Tongmin LIU
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Patent number: 10551545Abstract: Embodiments of the present invention provide a light guide plate, a backlight module and a display apparatus. The light guide plate includes: a light guide plate body, and a prism structure disposed on a light exit face of the light guide plate body and including a plurality of prisms. The plurality of prisms each have a top farthest from the light exit face of the light guide plate body. A height difference is formed between the tops of the plurality of prisms, and/or the top of at least one of the plurality of prisms has a portion with a part farthest from the light exit face of the light guide plate body, and a height difference is formed between the part and the top of the at least one of the plurality of prisms.Type: GrantFiled: August 16, 2017Date of Patent: February 4, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianghui Zhan, Chang Lv, Jiang Zhu, Hongchao He, Liangliang Zheng
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Patent number: 10527894Abstract: The present disclosure provides a display panel and a backlight module opposite to the display panel. A circuit board is arranged at a first edge of the display panel, the circuit board is folded to extend from a first surface of the display panel away from the backlight module to a second surface of the backlight module away from the display panel, and at least one folding portion is arranged at a portion of the circuit board between the display panel and the backlight module. The display module further includes a cell tape configured to connect the display panel to the backlight module. The cell tape includes: a first region, attached to an edge of the first surface of the display panel; a second region, attached to an edge of the second surface of the backlight module; and a folding region, which is arranged between the first region and the second region, and connects the first region to the second region.Type: GrantFiled: January 4, 2016Date of Patent: January 7, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianghui Zhan, Wei Lei, Jinmoo Park, Zhuhua Nie
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Publication number: 20190278014Abstract: Embodiments of the present invention provide a light guide plate, a backlight module and a display apparatus. The light guide plate includes: a light guide plate body, and a prism structure disposed on a light exit face of the light guide plate body and including a plurality of prisms. The plurality of prisms each have a top farthest from the light exit face of the light guide plate body. A height difference is formed between the tops of the plurality of prisms, and/or the top of at least one of the plurality of prisms has a portion with a part farthest from the light exit face of the light guide plate body, and a height difference is formed between the part and the top of the at least one of the plurality of prisms.Type: ApplicationFiled: August 16, 2017Publication date: September 12, 2019Inventors: Jianghui Zhan, Chang Lv, Jiang Zhu, Hongchao He, Liangliang Zheng
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Patent number: 10210819Abstract: The present disclosure provides a tunable backlight device, a display device and method of driving the display device. The tunable backlight device comprises: at least one backlight apparatus with high color gamut and low luminance; at least one backlight apparatus with low color gamut and high luminance; a storage configured to store a library of current feedback coefficients; a current feedback apparatus, configured to determine a first current feedback coefficient (K1) for the backlight apparatus with high color gamut and low luminance and a second current feedback coefficient (K2) for the backlight apparatus with low color gamut and high luminance, according to the requirements, respectively; a backlight driving apparatus configured to supply respective currents to both the backlight apparatuses to emit lights, based on the first and the second current feedback coefficients, respectively; and a light guide plate configured to mix the lights emitted from the both backlight apparatuses.Type: GrantFiled: August 11, 2015Date of Patent: February 19, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianghui Zhan, Ming Fang, Chang LV, Park Jinmoo, Shounian Chen
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Publication number: 20190033661Abstract: The present disclosure provides a backlight module assembly, structural adjustment method thereof and display device. The backlight module assembly includes a plastic frame, a film and an adjustment sheet. The plastic frame is presented in a box shape with an opening on the top, and has side walls and a bottom wall, and a space enclosed by the side walls and the bottom wall being a mounting groove. The film is arranged on the bottom wall and received within the mounting groove. The adjustment sheet is arranged on an inner side of the side wall of the mounting groove.Type: ApplicationFiled: September 9, 2017Publication date: January 31, 2019Inventors: Jiang ZHU, Hongchao HE, Jianghui ZHAN, Rui WANG, Yuxi DONG, Changjun ZHANG, Bo ZHANG, Dan LIU, Tongmin LIU
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Publication number: 20180173041Abstract: The present disclosure provides a display panel and a backlight module opposite to the display panel. A circuit board is arranged at a first edge of the display panel, the circuit board is folded to extend from a first surface of the display panel away from the backlight module to a second surface of the backlight module away from the display panel, and at least one folding portion is arranged at a portion of the circuit board between the display panel and the backlight module. The display module further includes a cell tape configured to connect the display panel to the backlight module. The cell tape includes: a first region, attached to an edge of the first surface of the display panel; a second region, attached to an edge of the second surface of the backlight module; and a folding region, which is arranged between the first region and the second region, and connects the first region to the second region.Type: ApplicationFiled: January 4, 2016Publication date: June 21, 2018Inventors: Jianghui ZHAN, Wei LEI, Jinmoo PARK, Zhuhua NIE
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Patent number: 9977175Abstract: The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade. The amount of light which is irradiated by the backlight module to the light incident surface of the light guide plate may be varied by providing the lampshade which accommodates the light source and disposing the opening structure with an adjustable size and/or position on the lampshade, to achieve an adjustment of the brightness of a display without requiring for adjustment of the current flowing through the light source in the backlight module, thereby causing no impact on the life of the light source.Type: GrantFiled: July 15, 2015Date of Patent: May 22, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO, LTD.Inventors: Chang Lv, Ming Fang, Jianghui Zhan, Shounian Chen, Jinmoo Park
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Patent number: 9971080Abstract: Disclosed is a backlight module, which includes: a light guide plate having a light incident surface; a light source disposed as facing to the light incident surface and configured for emitting a first wave-band light. The backlight module further includes: a quantum film disposed between the light source and the light guide plate. The quantum film is configured for being excited by the first wave-band light emitted from the light source and emitting a second wave-band light. By disposing the quantum film in the backlight module, the color gamut of LCD is improved.Type: GrantFiled: June 19, 2015Date of Patent: May 15, 2018Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.Inventors: Jianghui Zhan, Ming Fang, Chang Lv, Hongchao He, Jinmoo Park, Dong Chen
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Publication number: 20160358556Abstract: The present disclosure provides a tunable backlight device, a display device and method of driving the display device. The tunable backlight device comprises: at least one backlight apparatus with high color gamut and low luminance; at least one backlight apparatus with low color gamut and high luminance; a storage configured to store a library of current feedback coefficients; a current feedback apparatus, configured to determine a first current feedback coefficient (K1) for the backlight apparatus with high color gamut and low luminance and a second current feedback coefficient (K2) for the backlight apparatus with low color gamut and high luminance, according to the requirements, respectively; a backlight driving apparatus configured to supply respective currents to both the backlight apparatuses to emit lights, based on the first and the second current feedback coefficients, respectively; and a light guide plate configured to mix the lights emitted from the both backlight apparatuses.Type: ApplicationFiled: August 11, 2015Publication date: December 8, 2016Inventors: Jianghui Zhan, Ming Fang, Chang LV, Park Jinmoo, Shounian Chen
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Publication number: 20160252670Abstract: Disclosed is a backlight module, which includes: a light guide plate having a light incident surface; a light source disposed as facing to the light incident surface and configured for emitting a first wave-band light. The backlight module further includes: a quantum film disposed between the light source and the light guide plate. The quantum film is configured for being excited by the first wave-band light emitted from the light source and emitting a second wave-band light. By disposing the quantum film in the backlight module, the color gamut of LCD is improved.Type: ApplicationFiled: June 19, 2015Publication date: September 1, 2016Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianghui ZHAN, Ming FANG, Chang LV, Hongchao HE, Jinmoo PARK, Dong CHEN
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Publication number: 20160139318Abstract: The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade. The amount of light which is irradiated by the backlight module to the light incident surface of the light guide plate may be varied by providing the lampshade which accommodates the light source and disposing the opening structure with an adjustable size and/or position on the lampshade, to achieve an adjustment of the brightness of a display without requiring for adjustment of the current flowing through the light source in the backlight module, thereby causing no impact on the life of the light source.Type: ApplicationFiled: July 15, 2015Publication date: May 19, 2016Inventors: Chang LV, Ming FANG, Jianghui ZHAN, Shounian CHEN, Jinmoo PARK