Patents by Inventor Guanyin WEN
Guanyin WEN 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: 20240389379Abstract: Disclosed is a light-emitting device including a first electrode; a second electrode; a plurality of light-emitting units; and a charge separation/generation unit disposed between adjacent light-emitting units. Each charge separation/generation unit includes a first charge transmission sub-unit, a first charge generation sub-unit, a second charge generation sub-unit, and a second charge transmission sub-unit, sequentially arranged in a direction from the first electrode to the second electrode, the charge separation/generation unit satisfies that a transmittance is greater than 50% for visible light having a wavelength ranging from 380 nm to 480 nm, satisfies that a transmittance is greater than 70% for visible light having a wavelength ranging from 480 nm to 580 nm, and satisfies that a transmittance is greater than 75% for visible light having a wavelength ranging from 580 nm to 680 nm.Type: ApplicationFiled: July 31, 2023Publication date: November 21, 2024Inventors: Hui ZHOU, Yansong LI, Xiaobo DU, Guanyin WEN, Shuyun XU
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Publication number: 20240298497Abstract: A light emitting device includes: a first electrode; a second electrode disposed opposite to the first electrode; and multiple emission layers stacked between the first electrode and the second electrode. The emission layers include at least one first emission layer and at least one second emission layer. The first emission layer includes a first luminescent material, and is configured to emit a first light when driven by a current or voltage; the second emission layer includes a second luminescent material, and is configured to emit a second light when driven by the current or voltage; a luminous efficiency of the first luminescent material is greater than that of the second luminescent material; and a luminance conversion rate when performing optical excitation on color conversion materials by the first light is smaller than that when performing optical excitation on the color conversion materials by the second light.Type: ApplicationFiled: June 20, 2022Publication date: September 5, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Bei Wang, Guanyin Wen, Xiaobo Du, Huameng Liu, Yanjun Hao
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Patent number: 11825671Abstract: The present disclosure provides an electroluminescent device and a method for preparing the same, a display panel and a display device. The electroluminescent device includes a light emitting layer, a cathode layer, and an electron transport layer arranged between the light emitting layer and the cathode layer. The electron transport layer includes at least a first electron transport material and a second electron transport material that have different LUMO energy levels, and a ratio EM1/EM2 of the weight content of the first electron transport material to that of the second electron transport material decreases in a direction from a surface thereof proximate to the cathode layer to a surface thereof proximate to the light emitting layer. The electroluminescent device of the present disclosure can improve its efficiency and lifetime.Type: GrantFiled: May 28, 2021Date of Patent: November 21, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Songquan Wu, Xiaobo Du, Guanyin Wen, Cheng Han
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Publication number: 20230354636Abstract: An organic light emitting diode, a manufacturing method thereof, a display substrate and a display apparatus are disclosed. The organic light emitting diode includes: a first electrode and a second electrode opposite to each other and a first hole transport layer, a first electron blocking layer, a blue emission layer, at least one first hole blocking layer, and a first electron transport layer, which are between the first electrode and the second electrode and sequentially arranged in a direction approaching the second electrode, wherein a total thickness of all the at least one first hole blocking layer is greater than a thickness of the first electron blocking layer.Type: ApplicationFiled: October 28, 2021Publication date: November 2, 2023Inventors: Yanjun HAO, Caiyu QU, Guanyin WEN, Songquan WU, Pengfei ZUO, Xiaobo DU, Yansong LI
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Publication number: 20230255045Abstract: Provided is an organic light emitting device, including a first electrode, second electrode, and first and second emitting layers that are disposed between first and second electrodes. The first emitting layer is located on a side of the second emitting layer close to the first electrode. The first emitting layer includes a first host material and first dopant material. The second emitting layer includes a second host material different from the first host material, and second dopant material. An electron block layer disposed between first emitting layer and first electrode, first emitting layer and second emitting layer satisfy: |HOMOEBL<|HOMOEML1|<HOMOEML2|, |HOMOEML1?HOMOEBL|=0.2 eV to 0.4 eV, where HOMOEBL is a HOMO energy level of the electron block layer, HOMOEML1 is a HOMO energy level of the first emitting layer, HOMOEML2 is a HOMO energy level of the second emitting layer.Type: ApplicationFiled: January 22, 2021Publication date: August 10, 2023Inventors: Guanyin WEN, Yansong LI, Xiaobo DU
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Publication number: 20230074902Abstract: Provided are a display substrate and a related device, belonging to the technical field of display. The display substrate includes a first sub-pixel and a second sub-pixel provided on a base substrate and having different colors. An orthographic projection of a first organic light-emitting layer of the first sub-pixel and an orthographic projection of a second organic light-emitting layer of the second sub-pixel onto the base substrate have an overlapping area, an insulating blocking layer is provided between the first organic light-emitting layer and the second organic light-emitting layer, and an orthographic projection of the blocking layer onto the base substrate covers at least part of the overlapping area. The technical solution of the present disclosure can prevent crosstalk between adjacent pixels.Type: ApplicationFiled: November 11, 2021Publication date: March 9, 2023Inventors: Guanyin WEN, Yue LIU
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Publication number: 20220376001Abstract: An OLED display panel, a preparation method therefor, and a display apparatus. The display panel includes a display area including a first sub-pixel, a second sub-pixel and a third sub-pixel displaying different colors; the display area includes a first electrode layer, a pixel defining layer, an organic functional layer and a second electrode layer sequentially arranged on a substrate; the organic functional layer includes a first light-emitting layer in the first sub-pixel, a second light-emitting layer in the second sub-pixel, and a third light-emitting layer covering the display area and having an integrated structure; the orthographic projection, on the substrate, of each of the first light-emitting layer and the second light-emitting layer includes the orthographic projection of an opening on the substrate, which defines a corresponding sub-pixel, of the pixel defining layer and does not overlap with orthographic projections of remaining openings of the pixel defining layer on the substrate.Type: ApplicationFiled: July 7, 2021Publication date: November 24, 2022Inventors: Haidong WU, Xiaobo DU, Xiaojin ZHANG, Guanyin WEN
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Publication number: 20220293030Abstract: The present disclosure discloses a display panel, a display device, and a control method of the display device. The display panel includes sub-pixels of a plurality of colors, wherein the sub-pixels of the plurality of colors include first blue sub-pixels and second blue sub-pixels, and a wavelength of each first blue sub-pixel is smaller than a wavelength of each second blue sub-pixel. The first blue sub-pixels and the second blue sub-pixels are driven to perform image display when the display panel is in a regular display mode; and the second blue sub-pixels are driven to perform image display when the display panel is in an eye protection display mode.Type: ApplicationFiled: October 28, 2021Publication date: September 15, 2022Inventors: Haidong WU, Yansong LI, Guanyin WEN, Xiaobo DU, Bei WANG
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Publication number: 20220293702Abstract: A light-emitting substrate includes a base substrate, a pixel defining layer, a first electrode layer and a light-emitting functional layer. The pixel defining layer has a plurality of opening portions; the first electrode layer includes a plurality of first electrodes, at least a part of each first electrode is exposed to one of the opening portions and constitutes an accommodating portion with the opening portion; the light-emitting functional layer includes a plurality of functional sub-layers, at least one of which is a first functional sub-layer, the first functional sub-layer includes a plurality of functional patterns, each of which is located in one of the accommodating portions and is conformal to a surface of the accommodating portion, and a distance from an edge of the functional pattern to the base substrate is smaller than or equal to a distance from an edge of the accommodating portion to the base substrate.Type: ApplicationFiled: November 30, 2021Publication date: September 15, 2022Inventors: Xiaobo DU, Yansong LI, Guanyin WEN
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Publication number: 20220115614Abstract: The present disclosure provides an electroluminescent device and a method for preparing the same, a display panel and a display device. The electroluminescent device includes a light emitting layer, a cathode layer, and an electron transport layer arranged between the light emitting layer and the cathode layer. The electron transport layer includes at least a first electron transport material and a second electron transport material that have different LUMO energy levels, and a ratio EM1/EM2 of the weight content of the first electron transport material to that of the second electron transport material decreases in a direction from a surface thereof proximate to the cathode layer to a surface thereof proximate to the light emitting layer. The electroluminescent device of the present disclosure can improve its efficiency and lifetime.Type: ApplicationFiled: May 28, 2021Publication date: April 14, 2022Inventors: Songquan WU, Xiaobo DU, Guanyin WEN, Cheng HAN
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Patent number: 11199742Abstract: A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.Type: GrantFiled: December 15, 2017Date of Patent: December 14, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Wei Lin Lai, Guanyin Wen, Zhengyin Xu, Chien Pang Huang
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Publication number: 20210165273Abstract: A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.Type: ApplicationFiled: December 15, 2017Publication date: June 3, 2021Inventors: Wei Lin LAI, Guanyin WEN, Zhengyin XU, Chien Pang HUANG
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Patent number: 10930893Abstract: The present disclosure discloses an organic light-emitting diode device, a manufacturing method thereof and a display device. The organic light-emitting diode device comprises: a substrate (100); an organic light-emitting diode layer (200) on a side of the substrate (100); and a barrier layer (510) configured to block ultraviolet rays from entering the organic light-emitting diode layer, wherein the barrier layer is on a side of the organic light-emitting diode layer away from the substrate or on a side of the organic light-emitting diode layer close to the substrate. The organic light-emitting diode device can solve the technical problem of short service life due to the influence of ultraviolet rays in the sunlight.Type: GrantFiled: August 15, 2017Date of Patent: February 23, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Guanyin Wen, Lei Chen, Haidong Wu, Na Li
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Patent number: 10886495Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a reflective cathode layer, an organic light-emitting layer, a transparent anode layer and a high reflection layer sequentially arranged on a substrate, and the high reflection layer has reflectivity greater than a threshold.Type: GrantFiled: December 4, 2018Date of Patent: January 5, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yansong Li, Haidong Wu, Na Li, Xiaobo Du, Guanyin Wen, Xing Fan
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Publication number: 20200220112Abstract: The present disclosure discloses an organic light-emitting diode device, a manufacturing method thereof and a display device. The organic light-emitting diode device comprises: a substrate (100); an organic light-emitting diode layer (200) on a side of the substrate (100); and a barrier layer (510) configured to block ultraviolet rays from entering the organic light-emitting diode layer, wherein the barrier layer is on a side of the organic light-emitting diode layer away from the substrate or on a side of the organic light-emitting diode layer close to the substrate. The organic light-emitting diode device can solve the technical problem of short service life due to the influence of ultraviolet rays in the sunlight.Type: ApplicationFiled: August 15, 2017Publication date: July 9, 2020Inventors: Guanyin WEN, Lei CHEN, Haidong WU, Na LI
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Publication number: 20200185482Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a display device. The display substrate includes: a substrate, a display unit arranged on the substrate, and an ultraviolet shielding layer arranged on a side of the display unit away from the substrate, wherein the ultraviolet shielding layer covers at least a portion of the display unit and includes at least two ultraviolet absorbing materials having different ultraviolet absorption bands.Type: ApplicationFiled: August 13, 2019Publication date: June 11, 2020Inventors: Guanyin WEN, Haidong WU, Xiaobo DU, Yansong LI
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Publication number: 20190326546Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a reflective cathode layer, an organic light-emitting layer, a transparent anode layer and a high reflection layer sequentially arranged on a substrate, and the high reflection layer has reflectivity greater than a threshold.Type: ApplicationFiled: December 4, 2018Publication date: October 24, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yansong LI, Haidong WU, Na LI, Xiaobo DU, Guanyin WEN, Xing FAN
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Patent number: 10008696Abstract: The present disclosure provides a packaging method, a display panel, and a display device. The packaging method includes forming a glass adhesive on a packaging area of an OLED array substrate or on a packaging cover plate, aligning the packaging cover plate with the OLED array substrate, and applying, from a side of the packaging cover plate facing away from the OLED array substrate a laser to the glass adhesive, to sinter the glass adhesive, wherein the packaging method further includes forming a barrier layer on the packaging cover plate, the barrier layer being configured to block the laser from irradiating an OLED device on the OLED array substrate when the laser irradiates the glass adhesive.Type: GrantFiled: March 22, 2016Date of Patent: June 26, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Renrong Gai, Minghua Xuan, Yun Qiu, Zhiliang Jiang, Guanyin Wen
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Publication number: 20180138449Abstract: The present disclosure provides a packaging method, a display panel, and a display device. The packaging method includes forming a glass adhesive on a packaging area of an OLED array substrate or on a packaging cover plate, aligning the packaging cover plate with the OLED array substrate, and applying, from a side of the packaging cover plate facing away from the OLED array substrate a laser to the glass adhesive, to sinter the glass adhesive, wherein the packaging method further includes forming a barrier layer on the packaging cover plate, the barrier layer being configured to block the laser from irradiating an OLED device on the OLED array substrate when the laser irradiates the glass adhesive.Type: ApplicationFiled: March 22, 2016Publication date: May 17, 2018Inventors: Renrong GAI, Minghua XUAN, Yun QIU, Zhiliang JIANG, Guanyin WEN
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Publication number: 20170294623Abstract: The present disclosure provides a packaging method, a display panel, and a display device. The packaging method includes forming a glass adhesive on a packaging area of an OLED array substrate or on a packaging cover plate, aligning the packaging cover plate with the OLED array substrate, and applying, from a side of the packaging cover plate facing away from the OLED array substrate a laser to the glass adhesive, to sinter the glass adhesive, wherein the packaging method further includes forming a barrier layer on the packaging cover plate, the barrier layer being configured to block the laser from irradiating an OLED device on the OLED array substrate when the laser irradiates the glass adhesive.Type: ApplicationFiled: March 22, 2016Publication date: October 12, 2017Inventors: Renrong GAI, Minghua XUAN, Yun QIU, Zhiliang JIANG, Guanyin WEN