Patents by Inventor Lulin MA
Lulin MA 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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Patent number: 12342706Abstract: A display panel includes: a plurality of light-emitting devices on a substrate, wherein each light-emitting device is configured to emit light of a preset color; a color conversion layer including a plurality of light exiting parts, wherein each light exiting part corresponds to one light-emitting device, and the light exiting part is configured to receive light emitted by the corresponding light-emitting device and emit light of a color same as or different from the preset color; and an optical layer between the color conversion layer and the plurality of light-emitting devices, wherein the optical layer is configured to transmit at least a portion of the light of the preset color and reflect the light of a color different from the preset color emitted by the color conversion layer; wherein second electrodes corresponding to at least two light exiting parts, which emits light of different colors, have different reflectivities.Type: GrantFiled: June 16, 2021Date of Patent: June 24, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cheng Zeng, Jaeho Lee, Zhen Sun, Lulin Ma
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Publication number: 20250081734Abstract: Provided is a display panel. The display panel includes: a base substrate; a plurality of light-emitting devices on a side of the base substrate; a package layer on a side of the plurality of light-emitting devices, wherein the package layer is configured to package the light-emitting devices; a hydrophilic layer on a side of the package layer, wherein the hydrophilic layer is in direct contact with the package layer; an isolation portion on a side of the hydrophilic layer, wherein a plurality of apertures are defined in the isolation portion; and a light conversion structure in the plurality of apertures, wherein the light conversion structure includes a transparent medium layer made of a hydrophilic material and a plurality of particles dispersed in the transparent medium layer, and a face, close to the base substrate, of the transparent medium layer is in direct contact with the hydrophilic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG
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Publication number: 20250081819Abstract: Provided is a display panel. The display panel includes: a base substrate, a plurality of light-emitting devices, a package layer, a hydrophobic layer, an isolation portion, and a light conversion structure; wherein the light-emitting devices are disposed on a side of the base substrate; the package layer is disposed on a side of the light-emitting devices and configured to package the light-emitting devices; the hydrophobic layer is disposed on a side of the package layer and in direct contact with the package layer; the isolation portion is disposed on a side of the hydrophobic layer, wherein a plurality of apertures are defined in the isolation portion; and the light conversion structure is disposed in the apertures and includes a transparent medium layer and a plurality of particles, and a face of the transparent medium layer is in direct contact with the hydrophobic layer.Type: ApplicationFiled: December 21, 2022Publication date: March 6, 2025Inventors: Cheng ZENG, Jaeho LEE, Dongyu GAO, Dan WANG, Lulin MA, Zhenye WEI, Qiyun WANG, Xingjian CHENG
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Publication number: 20250040391Abstract: Provided is a color conversion substrate. The color conversion substrate includes: a base substrate; a reflective isolation portion on a side of the base substrate, a plurality of pixel apertures being defined in the reflective isolation portion, wherein the plurality of pixel apertures include a plurality of first-type pixel apertures arranged in arrays and a plurality of second-type pixel apertures arranged in arrays, and a plurality of lines of the first-type pixel apertures and a plurality of lines of the second-type pixel apertures are alternately arranged; and a color conversion layer, including a first color conversion pattern, a second color conversion pattern, and a transmission pattern, wherein the first color conversion pattern and the transmission pattern are disposed in different first-type pixel apertures, and the second color conversion pattern is disposed in the plurality of second-type pixel apertures.Type: ApplicationFiled: February 10, 2023Publication date: January 30, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qiyun WANG, Jaeho LEE, Dongyu GAO, Cheng ZENG, Jinglu BAI, Li CHEN, Zhenye WEI, Lulin MA
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Publication number: 20240389425Abstract: A display panel includes a pixel definition layer on a base substrate, having a plurality of first apertures extending there-through; a light emitting layer at least partially in the plurality of first apertures; an encapsulating layer on a side of the pixel definition layer and the light emitting layer away from the base substrate; a bank layer on a side of the encapsulating layer away from the base substrate, having a plurality of second apertures extending there-through; and a color conversion layer at least partially in the plurality of second apertures. The color conversion layer comprises a plurality of color conversion blocks. A minimum height of a bottom of the bank layer with respect to a surface of the base substrate is greater than a minimum height of a bottom of a respective color conversion block with respect to the surface of the base substrate.Type: ApplicationFiled: September 28, 2022Publication date: November 21, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lulin Ma, Jaeho Lee, Dongyu Gao, Cheng Zeng, Li Chen, Zhen Sun, Jinglu Bai, Zhenye Wei, Qiyun Wang, Fei Chen
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Publication number: 20240357895Abstract: A display substrate includes multiple light emitting devices disposed on a base substrate for emitting light of a third color, and a first encapsulation structure layer and a light conversion layer sequentially stacked on a side of the multiple light emitting devices away from the base substrate; the light conversion layer includes a first quantum dot material emitting light of a first color after receiving the light of the third color emitted by the light emitting devices and a second quantum dot material emitting light of a second color after receiving the light of the third color emitted by the light emitting devices. The first encapsulation structure layer includes a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer that are sequentially stacked in a direction away from the base substrate; the organic encapsulation layer includes an organic encapsulation material and a dye.Type: ApplicationFiled: December 29, 2021Publication date: October 24, 2024Inventors: Lulin MA, Jaeho LEE, Cheng ZENG, Zhen SUN, Hongwei ZHANG, Zhenye WEI, Qiyun WANG
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Publication number: 20240292718Abstract: A display panel, including a light-emitting base plate including light-emitting devices arranged in an array; first light-extracting layers, located on light-outlet sides of at least a part of the light-emitting devices, each including prisms extending along a first direction and arranged along a second direction; and second light-extracting layers, located on the light-outlet sides of the light-emitting devices, and on a side of the first light-extracting layers away from the light-emitting base plate, each including convex lenses arranged in an array, wherein an orthographic projection of the first light-extracting layer on the light-emitting base plate is within an orthographic projection of the second light-extracting layer on the light-emitting base plate, a maximum size of the prism along the second direction is less than or equal to a maximum size of the convex lens along the second direction, and the first direction intersects the second direction.Type: ApplicationFiled: March 25, 2022Publication date: August 29, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qiyun Wang, Cheng Zeng, Zhenye Wei, Guangri Yu, Li Chen, Zhen Sun, Lulin MA, Hongwei Zhang, Xiongyi Luo
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Publication number: 20240284748Abstract: The present disclosure provides a display panel, a display apparatus and a method for manufacturing a display panel. The display panel includes: a base substrate; light-emitting elements located on a side of the base substrate; a color conversion film layer located on a side, away from the base substrate, of the light-emitting elements and including a plurality of color conversion patterns in one-to-one correspondence with the light-emitting elements, each color conversion pattern includes a matrix and color conversion particles distributed in the matrix, and the color conversion particles convert light emitted by the light-emitting elements; and a first film layer located between the light-emitting elements and the color conversion film layer and adjacent to the color conversion film layer, a refractive index n1 of the first film layer and a refractive index n2 of the matrix satisfying: n2/n1>0.82.Type: ApplicationFiled: June 18, 2021Publication date: August 22, 2024Inventors: Cheng ZENG, Jaeho LEE, Zhen SUN, Lulin MA, Fei CHEN
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Patent number: 12069891Abstract: A display substrate includes a backplane, first light-emitting devices capable of emitting first color light, second light-emitting devices capable of emitting second color light that are all disposed on the backplane, a low-refractive-index intercalation layer disposed at a side, away from the backplane, of the first light-emitting devices and the second light-emitting devices, and an encapsulation layer. The encapsulation layer includes a first inorganic barrier layer, a first organic barrier layer and a second inorganic barrier layer that are sequentially stacked on a side of the low-refractive-index intercalation layer away from the backplane. A refractive index of the low-refractive-index intercalation layer is less than a refractive index of the first inorganic barrier layer.Type: GrantFiled: November 24, 2020Date of Patent: August 20, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cheng Zeng, Jaeho Lee, Myoungsoo Lee, Xuemei Cui, Ruitao Li, Shiqi Li, Zhen Sun, Lulin Ma
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Publication number: 20240276764Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes: a substrate, including a plurality of sub-pixel regions; a plurality of light emitting devices, located on one side of the substrate and corresponding to the sub-pixel regions one by one; a first pixel definition layer, located on one side, facing away from the substrate, of the light emitting devices and including first opening regions corresponding to the sub-pixel regions one by one; a plurality of quantum dot layers, located on the side, facing away from the substrate, of the light emitting devices and located in at least part of the first opening regions; and a plurality of first refractive index patterns, located between the light emitting devices and the quantum dot layers, where a refractive index of each quantum dot layer is greater than that of each first refractive index pattern.Type: ApplicationFiled: April 21, 2022Publication date: August 15, 2024Inventors: Hongwei ZHANG, Qiyun WANG, Zhenye WEI, Lulin MA, Zhen SUN, Cheng ZENG, Li CHEN, Xiongyi LUO, Guangri YU
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Publication number: 20240224691Abstract: A display panel includes a first base substrate, a light-emitting device layer located on a side of the first base substrate, a color filter layer located on a side of the light-emitting device layer away from the first base substrate, a color conversion layer located between the light-emitting device layer and the color filler layer, a touch function layer located on a side of the color conversion layer away from the first base substrate and a light adjustment layer located on a side of the touch function layer away from the first base substrate. The light adjustment layer includes first particles and second particles. The first particles each include dye molecules. The second particles each have a hollow structure.Type: ApplicationFiled: December 30, 2021Publication date: July 4, 2024Inventors: Hongwei ZHANG, Zhenye WEI, Xiongyi LUO, Cheng ZENG, Qiyun WANG, Zhen SUN, Lulin MA
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Publication number: 20240164189Abstract: A display panel includes: a plurality of light-emitting devices on a substrate, wherein each light-emitting device is configured to emit light of a preset color; a color conversion layer including a plurality of light exiting parts, wherein each light exiting part corresponds to one light-emitting device, and the light exiting part is configured to receive light emitted by the corresponding light-emitting device and emit light of a color same as or different from the preset color; and an optical layer between the color conversion layer and the plurality of light-emitting devices, wherein the optical layer is configured to transmit at least a portion of the light of the preset color and reflect the light of a color different from the preset color emitted by the color conversion layer; wherein second electrodes corresponding to at least two light exiting parts, which emits light of different colors, have different reflectivities.Type: ApplicationFiled: June 16, 2021Publication date: May 16, 2024Inventors: Cheng ZENG, Jaeho LEE, Zhen SUN, Lulin MA
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Publication number: 20230067641Abstract: A display substrate includes a backplane, first light-emitting devices capable of emitting first color light, second light-emitting devices capable of emitting second color light that are all disposed on the backplane, a low-refractive-index intercalation layer disposed at a side, away from the backplane, of the first light-emitting devices and the second light-emitting devices, and an encapsulation layer. The encapsulation layer includes a first inorganic barrier layer, a first organic barrier layer and a second inorganic barrier layer that are sequentially stacked on a side of the low-refractive-index intercalation layer away from the backplane. A refractive index of the low-refractive-index intercalation layer is less than a refractive index of the first inorganic barrier layer.Type: ApplicationFiled: November 24, 2020Publication date: March 2, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cheng ZENG, Jaeho LEE, Myoungsoo LEE, Xuemei CUI, Ruitao LI, Shiqi LI, Zhen SUN, Lulin MA