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公开(公告)号：EP4203048A1
公开(公告)日：2023-06-28
申请号：EP21884692.1
申请日：2021-09-01
发明人： YU, Hongtao , WANG, Qing , HUANG, Kuanta , WANG, Hui
摘要： Provided are a display module and a display device having the same. The display module includes: a drive substrate, a pixel definition layer, an OLED device layer, a color filter layer including sub-filter regions arranged in one-to-one correspondence to sub-pixel regions, and at least one blocking layer disposed on a side of the OLED device layer away from the drive substrate. Each blocking layer includes opening regions disposed to face the sub-pixel regions along a thickness direction of the drive substrate, and light shielding regions disposed to face portions of two adjacent sub-filter regions at which the two sub-filter regions are connected, along the thickness direction of the drive substrate. A length of a connecting line between two ends of each light shielding region is less than an actual length of the light shielding region on a cross section perpendicular to the drive substrate.
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2.发明公开
公开(公告)号：EP4024492A1
公开(公告)日：2022-07-06
申请号：EP19933215.6
申请日：2019-08-27
发明人： WANG, Qing , HUANG, Kuanta , CHEN, Xiaochuan , DONG, Yongfa , YUAN, Xiong , LI, Dongsheng , TONG, Hui
摘要： A light-emitting device, a method of manufacturing the same and an electronic apparatus. The light-emitting device includes a silicon-based base substrate; at least one organic light-emitting diode device at the silicon-based base substrate; a first encapsulation layer, at a side of the at least one organic light-emitting diode device away from the silicon-based base substrate and including one or more sublayers; a color filter layer, at a side of the first encapsulation layer away from the at least one organic light-emitting diode device; and a second encapsulation layer, at a side of the color filter layer away from the first encapsulation layer and including one or more sublayers. A refractive index of at least one sublayer in the first encapsulation layer is greater than a refractive index of at least one sublayer in the second encapsulation layer. The light-emitting device can prevent the color film from aging and losing efficacy due to exposure to the external environment, thereby prolonging the service life of the light-emitting device.
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3.发明公开
公开(公告)号：EP4020573A1
公开(公告)日：2022-06-29
申请号：EP19933199.2
申请日：2019-08-23
发明人： LI, Dongsheng , HUANG, Kuanta , LI, Yunlong , YANG, Shengji , LU, Pengcheng , CHEN, Xiaochuan , WANG, Qing , TONG, Hui , DONG, Yongfa , SHEN, Xiaobin , YUAN, Xiong , WANG, Yu
摘要： A light-emitting diode (LED) display panel, a manufacturing method thereof, and an organic light-emitting diode (OLED) display device are disclosed. The LED display panel includes: a base substrate, as well as a plurality of sub-pixels, a color resistance layer and a light-shielding structure that are located on the base substrate. The base substrate includes a display region and a periphery region; the plurality of sub-pixels are located in the display region; the light-shielding structure is located in the periphery region and is an annular structure surrounding the plurality of sub-pixels. The light-shielding structure includes a first light-shielding structure and a second light-shielding structure, the second light-shielding structure is located at a side of the first light-shielding structure away from the base substrate, a second orthographic projection of the second light-shielding structure on the base substrate is located within a first orthographic projection of the first light-shielding structure on the base substrate, and the first orthographic projection and the second orthographic projection are not completely coincident with each other. The embodiments of the present disclosure improve the uniformity of the color resistance layer formed in the display region by adjusting a size relationship between the second light-shielding structure and the first light-shielding structure so as to prevent from the occurrence of non-uniform display.
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公开(公告)号：EP4131446A1
公开(公告)日：2023-02-08
申请号：EP20897668.8
申请日：2020-03-27
发明人： WANG, Qing , HUANG, Kuanta , CHEN, Xiaochuan , ZHANG, Dacheng
IPC分类号： H01L51/50
摘要： Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a base substrate, a light-emitting element disposed on the base substrate, and an encapsulation layer disposed on the light-emitting element, the display substrate further comprises a driving circuit connected with the light-emitting element and configured to drive the light-emitting element, the driving circuit comprises a driving transistor which comprises an active layer located inside the base substrate; the encapsulation layer comprises a first gradient layer and a second gradient layer stacked along a direction away from the base substrate, a content of oxygen element in the first gradient layer gradually decreases, and a content of carbon element in the second gradient layer gradually increases along the direction away from the base substrate.
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公开(公告)号：EP4131396A1
公开(公告)日：2023-02-08
申请号：EP20900759.0
申请日：2020-03-27
发明人： HUANG, Kuanta , DONG, Yongfa , WANG, Qing , LI, Shipeng , WANG, Yu , TONG, Hui , YUAN, Xiong , SHEN, Xiaobin
摘要： A display panel and a manufacturing method thereof, and an electronic device are provided. The display panel includes a substrate, an array structure layer and a light-emitting structure layer disposed on the substrate. The substrate includes a transistor, the array structure layer includes a first conductive post, a connecting electrode and a second conductive post, the light-emitting structure layer includes a first electrode, an organic light-emitting layer and a second electrode, the first electrode is located on one side of the organic light-emitting layer close to the substrate, and the second electrode is located on one side of the organic light-emitting layer away from the substrate. The first electrode includes a first sub-electrode, a second sub-electrode and a third sub-electrode, the second sub-electrode is located on one side of the first sub-electrode away from the substrate, and the third sub-electrode is located on one side of the first sub-electrode close to the substrate. Reflectivity of the first sub-electrode is greater than threshold reflectivity and greater than reflectivity of the second sub-electrode, and the reflectivity of the second sub-electrode is less than reflectivity of the third sub-electrode. The first electrode is connected with the connecting electrode through the second conductive post, and the connecting electrode is connected with a drain electrode of the transistor through the first conductive post.
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6.发明公开
公开(公告)号：EP4020574A1
公开(公告)日：2022-06-29
申请号：EP19933200.8
申请日：2019-08-23
发明人： LI, Dongsheng , HUANG, Kuanta , YANG, Shengji , LU, Pengcheng , LI, Yunlong , WANG, Qing , DONG, Yongfa , SHEN, Xiaobin , TONG, Hui , YUAN, Xiong , WANG, Yu , CHEN, Xiaochuan
IPC分类号： H01L27/32
摘要： A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; and a driving circuit located between the light-emitting element and the base substrate; a color-resistance layer located at a side of a second electrode away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval. In the embodiments of the present disclosure, by designing a shape of the first light-blocking structure as a non-enclosed annular shape, the degree of uniformity of the color filter layer coated in the display region can be higher.
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公开(公告)号：EP4131397A1
公开(公告)日：2023-02-08
申请号：EP20904239.9
申请日：2020-03-27
发明人： DONG, Yongfa , HUANG, Kuanta , LI, Shipeng , WANG, Qing , YUAN, Xiong , SHEN, Xiaobin , TONG, Hui , WANG, Yu
IPC分类号： H01L27/32 , G02F1/1335 , H01L51/52 , G09F9/33
摘要： Provided are a display substrate and a manufacturing method thereof, and a display apparatus. The display substrate includes: a display area and a peripheral area surrounding the display area. The display substrate includes: a base substrate, and a light emitting structure layer, a color filter layer, a first flat layer and an optical layer disposed on the base substrate; the color filter layer is located on one side of the light emitting structure layer away from the base substrate, the first flat layer is located on one side of the color filter layer away from the base substrate, and the optical layer is located on one side of the first flat layer away from the base substrate and is configured to collect light emitted from the color filter layer. The display substrate further includes: a transistor, and an active layer of the transistor is formed in an interior of the base substrate; a surface of the color filter layer, located in the display area, away from the base substrate is uneven; a first thickness is a maximum thickness of the color filter layer located in the display area, and a second thickness is a minimum thickness of the color filter layer located in the display area; and a difference between the first thickness and the second thickness is smaller than or equal to a thickness of the first flat layer.
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公开(公告)号：EP4024491A1
公开(公告)日：2022-07-06
申请号：EP19932270.2
申请日：2019-08-27
发明人： WANG, Qing , HUANG, Kuanta , CHEN, Xiaochuan
摘要： A display device, an electronic equipment, and a manufacture method for manufacturing the display device are provided. The display device includes: a substrate, a plurality of light-emitting elements arranged in an array, the plurality of light-emitting elements including a first light-emitting element and a second light-emitting element; and a color filter layer. In a direction perpendicular to the substrate, a distance between the plurality of light-emitting elements and the color filter layer is a first distance; the display device has a color deviation prevention viewing angle on a reference plane determined by the first direction and a second direction perpendicular to the surface of the substrate; the color deviation prevention viewing angle is, along a cross-section by the reference plane, an angle between a connection line and the direction perpendicular to the substrate, the connection line connects a side of the first light-emitting element close to the second light-emitting element and a side of a color filter unit, which corresponds to the second light-emitting element, close to the first light-emitting element; and the first distance is configured to enable the color deviation prevention viewing angle to be greater than a preset angle. The display device can avoid the problem of color deviation generated under a larger viewing angle while having a high PPI, improve the display quality of the display device, and improve the user experience.
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公开(公告)号：EP4131454A1
公开(公告)日：2023-02-08
申请号：EP21775976.0
申请日：2021-02-02
发明人： WANG, Yu , HUANG, Kuanta , WANG, Qing , DONG, Yongfa , YANG, Chao , LI, Shipeng , TONG, Hui , SHI, Shangquan , YUAN, Xiong , LI, Dongsheng , SHEN, Xiaobin
摘要： The present disclosure relates to a display device, a display panel and a manufacturing method therefor, relating to the field of display technology. The display panel comprises a drive backplane, a first electrode layer, a light-emitting functional layer and a second electrode. The first electrode layer is provided on one side of the drive backplane, and comprises a plurality of first electrodes; the first electrodes comprise a flat middle portion and an edge portion surrounding the middle portion; the edge portion comprises a flat portion surrounding the middle portion and a slope portion connecting the middle portion and the flat portion, and the thickness of the flat portion is less than that of the middle portion; the light-emitting functional layer covers the middle portion; the second electrode covers the light-emitting functional layer and comprises a separation portion and a plurality of smooth portions separated by the separation portion, and orthographic projections of the smooth portions on the drive backplane are located within the first electrodes in one-to-one correspondence; and the separation portion comprises a protruding area and a first recessed area connecting the protruding area and the flat portion, and an orthographic projection of the first recessed area on the drive backplane is at least partially located outside the middle portion.
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10.发明公开
公开(公告)号：EP4024467A1
公开(公告)日：2022-07-06
申请号：EP19933235.4
申请日：2019-08-27
发明人： DONG, Yongfa , HUANG, Kuanta , YANG, Shengji , LU, Pengcheng , WANG, Qing , TONG, Hui , WANG, Yu , SHEN, Xiaobin , YUAN, Xiong , LI, Dongsheng , ZOU, Rongyuan
IPC分类号： H01L27/32
摘要： A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and a plurality of repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, the green film layer, the red film layer and the blue film layer being provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; at least one of the red film layer and the blue color film layer covers part of the green film layer; at least one part of the green film layer does not overlap with the red film layer and the blue film layer. The display substrate can reduce the possibility of each color film layer peeling off from the bearing layer.
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