Patents by Inventor JUNG-AN CHENG
JUNG-AN CHENG 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: 10916532Abstract: A micro LED display panel includes a back plate, a plurality of micro LEDs on the back plate, a first partition wall on a side of the back plate having the plurality of micro LEDs, an insulating layer on the back plate, and a common electrode on the insulating layer and covering the plurality of micro LEDs. The first partition wall divides the back plate into a plurality of light-emitting regions independent from each other. Each of the light-emitting regions is provided with one of the micro LEDs. The insulating layer is located in each of the light-emitting regions and surrounds each of the micro LEDs.Type: GrantFiled: April 29, 2019Date of Patent: February 9, 2021Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jung-An Cheng, I-Wei Wu
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Publication number: 20190355704Abstract: A micro LED display panel includes a back plate, a plurality of micro LEDs on the back plate, a first partition wall on a side of the back plate having the plurality of micro LEDs, an insulating layer on the back plate, and a common electrode on the insulating layer and covering the plurality of micro LEDs. The first partition wall divides the back plate into a plurality of light-emitting regions independent from each other. Each of the light-emitting regions is provided with one of the micro LEDs. The insulating layer is located in each of the light-emitting regions and surrounds each of the micro LEDs.Type: ApplicationFiled: April 29, 2019Publication date: November 21, 2019Inventors: JUNG-AN CHENG, I-WEI WU
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Patent number: 10317588Abstract: A method of manufacturing a color conversion film includes: providing a substrate having a first surface and a second surface; forming a plurality of first indentations on the first surface and forming a plurality of second indentations on the second surface; forming a plurality of first quantum dot blocks in the first indentations; and forming a plurality of second quantum dot blocks in the second indentations.Type: GrantFiled: September 14, 2017Date of Patent: June 11, 2019Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: I-Wei Wu, Jung-An Cheng
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Publication number: 20180003870Abstract: A method of manufacturing a color conversion film includes: providing a substrate having a first surface and a second surface; forming a plurality of first indentations on the first surface and forming a plurality of second indentations on the second surface; forming a plurality of first quantum dot blocks in the first indentations; and forming a plurality of second quantum dot blocks in the second indentations.Type: ApplicationFiled: September 14, 2017Publication date: January 4, 2018Inventors: I-WEI WU, JUNG-AN CHENG
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Patent number: 9791605Abstract: A color conversion film includes a substrate, a number of first and second indentations defined in the substrate, and a number of quantum dot blocks received in the first and second indentations. The substrate includes a first surface and a second surface parallel to the first surface. The first indentations are defined in the first surface and extended towards an interior of the substrate. The second indentations are defined in the second surface and extended towards an interior of the substrate. The quantum dot blocks converts an incident light to a light with a specific color.Type: GrantFiled: December 12, 2014Date of Patent: October 17, 2017Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: I-Wei Wu, Jung-An Cheng
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Patent number: 9634066Abstract: The disclosure relates to a method of making organic light emitting diode array. A base defining a plurality of convexities is provided. A number of first electrodes are applied on the plurality of convexities. At least one hole injection layer is applied on the first electrodes. A number of hole transport layers are transfer printed on the at least one hole injection layer. Three of the hole transport layers, that correspond to the same pixel unit, have different thickness. A number of electroluminescent layers are applied on the hole transport layers. A patterned second insulative layer is made among the convexities to expose the electroluminescent layers. A second electrode is electrically connected to the electroluminescent layers.Type: GrantFiled: June 27, 2014Date of Patent: April 25, 2017Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9627448Abstract: The present invention provides an OLED panel. The OLED panel includes a substrate and a plurality of walls formed on the substrate. The substrate and the walls define a plurality of containing areas. Each of the containing areas is corresponding to each of a plurality of sub-pixels. The sub-pixels are separated from each other by the walls. Each of the sub-pixels includes one of emitting materials formed in one of the containing areas. At least one of the containing areas corresponding to the sub-pixel includes a first partition. The height of the first partition is lower than the walls.Type: GrantFiled: April 3, 2015Date of Patent: April 18, 2017Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Jung-An Cheng
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Patent number: 9470826Abstract: A color filter of display panel for converting dual band white backlight to light with three-primary colors. The color filter includes a plurality of first filtering parts, a plurality of second filtering parts, and a plurality of quantum dot blocks. The first filtering parts have a first primary color and allow light having a first wavelength corresponding to the first primary color to pass therethrough. The second filtering parts have a second primary color and selectively allow light having a second wavelength corresponding to the second primary color to pass therethrough. The quantum dot block converting light having a wavelength smaller than a third wavelength corresponding to a third primary color to light having the second wavelength.Type: GrantFiled: April 8, 2015Date of Patent: October 18, 2016Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Shih-Pin Tseng, Jung-An Cheng
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Patent number: 9425436Abstract: A method of making organic light emitting diode array includes following steps. A base having a number of first electrodes on a surface of the base is provided. A first organic layer is located on the surface of the base to cover the first electrodes. A template with a first patterned surface is provided, wherein the first patterned surface includes a number of grooves with different depths. The first patterned surface of the template is attached on the first organic layer and separated from each other, wherein a number of protruding structures with different heights is formed. An organic light emitting layer is deposited to cover the protruding structures. A second organic layer is located on the organic light emitting layer. A second electrode is applied to electrically connected to the second organic layer.Type: GrantFiled: August 26, 2014Date of Patent: August 23, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jung-An Cheng, Liang-Neng Chien, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9406884Abstract: The disclosure relates to a method of making organic light emitting diode array. A base defining a plurality of convexities is provided. A number of first electrodes are applied on the plurality of convexities. A patterned second insulative layer is made among the convexities to cover first parts of the first electrodes between the convexities and expose second parts of the first electrodes on top surfaces of the convexities to form a number of protrudent portions. A number of electroluminescent layers are transfer printed on the number of protrudent portions to form a number of organic light emitting layers. A second electrode is electrically connected to the number of organic light emitting layers.Type: GrantFiled: June 27, 2014Date of Patent: August 2, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9318538Abstract: The disclosure relates to an organic light emitting diode array. The organic light emitting diode array includes a number of thin-film transistors arranged to form an array, a first insulative layer, a plurality of first electrodes, a number of electroluminescent layers, a patterned second insulative layer, and at least one second electrode. The first insulative layer is located on the plurality of first electrodes defines a number of convexities. The first electrodes are located on the convexities and electrically connected to the thin-film transistors. The electroluminescent layers are located on the first electrodes. The patterned second insulative layer is located on the first insulative layer to cover the first electrodes and expose the electroluminescent layers. The at least one second electrode is electrically connected to the electroluminescent layers.Type: GrantFiled: June 27, 2014Date of Patent: April 19, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9312489Abstract: The disclosure relates to a method of making organic light emitting diode array. A base defining a number of convexities is provided. A number of first electrodes are applied on the number of convexities. A number of electroluminescent layers are transfer printed on the number of first electrodes to form the number of organic light emitting layers. A patterned second insulative layer is made to cover the number of first electrodes and expose the number of organic light emitting layers. A second electrode is electrically connected to the number of organic light emitting layers.Type: GrantFiled: June 27, 2014Date of Patent: April 12, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9305978Abstract: A method of making organic light emitting diode array includes following steps. A base having a number of first electrodes on a surface of the base is provided. A first organic layer is located on the surface of the base to cover the number of first electrodes. A first organic light emitting layer is applied on the first organic layer. A template with a first patterned surface with a number of grooves with different depths is provided. The template is attached on the first organic light emitting layer and separated from each other, wherein a number of protruding structures with different heights is formed. A second organic light emitting layer is deposited on a part of the plurality of protruding structures. A second organic layer is located on the organic light emitting layer. A second electrode is applied to electrically connect to the second organic layer.Type: GrantFiled: August 28, 2014Date of Patent: April 5, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jung-An Cheng, Liang-Neng Chien, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Publication number: 20160093676Abstract: A display panel includes an array substrate including a thin film transisitors array, a lighting device formed on a surface of the array substrate where the thin film transistors array is formed to emit a backlight, and a color conversion layer formed on a side of the array substrate opposite to the lighting device. The display panel defines a number of pixel areas, each of the pixel areas includes at least three sub-pixels to correspondingly emit lights with three-primary colors. The color conversion layer includes a number of quantum dot blocks corresponding to the sub-pixels to convert the backlight to the lights with three-primary colors.Type: ApplicationFiled: December 12, 2014Publication date: March 31, 2016Inventors: I-WEI WU, JUNG-AN CHENG
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Publication number: 20160091640Abstract: A color conversion film includes a substrate, a number of first and second indentations defined in the substrate, and a number of quantum dot blocks received in the first and second indentations. The substrate includes a first surface and a second surface parallel to the first surface. The first indentations are defined in the first surface and extended towards an interior of the substrate. The second indentations are defined in the second surface and extended towards an interior of the substrate. The quantum dot blocks converts an incident light to a light with a specific color.Type: ApplicationFiled: December 12, 2014Publication date: March 31, 2016Inventors: I-WEI WU, JUNG-AN CHENG
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Publication number: 20160091641Abstract: A color filter of display panel for converting dual band white backlight to light with three-primary colors. The color filter includes a plurality of first filtering parts, a plurality of second filtering parts, and a plurality of quantum dot blocks. The first filtering parts have a first primary color and allow light having a first wavelength corresponding to the first primary color to pass therethrough. The second filtering parts have a second primary color and selectively allow light having a second wavelength corresponding to the second primary color to pass therethrough. The quantum dot block converting light having a wavelength smaller than a third wavelength corresponding to a third primary color to light having the second wavelength.Type: ApplicationFiled: April 8, 2015Publication date: March 31, 2016Inventors: SHIH-PIN TSENG, JUNG-AN CHENG
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Patent number: 9299931Abstract: The disclosure relates to an organic light emitting diode array. The organic light emitting diode array includes a base defining a number of convexities spaced from each other, a number of first electrodes located on the convexities, a number of electroluminescent layers located on the first electrodes, a patterned second insulative layer located among the convexities to cover part of the base and expose the electroluminescent layers, and a number of second electrodes electrically connected to the electroluminescent layers. The first electrodes are parallel with each other and extend along a first direction. The second electrodes are parallel with each other and extend along a second direction different from the first direction.Type: GrantFiled: June 27, 2014Date of Patent: March 29, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9252364Abstract: The disclosure relates to a method of making organic light emitting diode array. A base defining a plurality of convexities is provided. A number of first electrodes are applied on the plurality of convexities. A number of red light electroluminescent layers are transfer printed on a first group of the first electrodes. A number of green light electroluminescent layers are transfer printed on a second group of the first electrodes. A number of blue light electroluminescent layers are transfer printed on a third group of the first electrodes. A patterned second insulative layer is made to cover the number of first electrodes and expose the electroluminescent layers. A second electrode is electrically connected to the electroluminescent layers.Type: GrantFiled: June 27, 2014Date of Patent: February 2, 2016Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Liang-Neng Chien, Jung-An Cheng, Dong An, Zhen-Dong Zhu, Chang-Ting Lin, I-Wei Wu, Qun-Qing Li, Shou-Shan Fan
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Patent number: 9223164Abstract: A display includes a display medium layer and a dielectric layer disposed at a side of the display medium layer. The composition of the dielectric layer includes at least a humectant for decreasing the electric resistivity of the dielectric layer and stabilizing the electric performance of the display.Type: GrantFiled: August 2, 2013Date of Patent: December 29, 2015Assignee: SiPix Technology, Inc.Inventors: Cheng-Yuan Lai, Hui Chen, Jung-An Cheng, Wei-Ho Ting, Yu Li, Hongmei Zang, Ming Wang, Zoran Topalovic, Tyau-Jeen Lin
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Publication number: 20150311268Abstract: The present invention provides an OLED panel. The OLED panel includes a substrate and a plurality of walls formed on the substrate. The substrate and the walls define a plurality of containing areas. Each of the containing areas is corresponding to each of a plurality of sub-pixels. The sub-pixels are separated from each other by the walls. Each of the sub-pixels includes one of emitting materials formed in one of the containing areas. At least one of the containing areas corresponding to the sub-pixel includes a first partition. The height of the first partition is lower than the walls.Type: ApplicationFiled: April 3, 2015Publication date: October 29, 2015Inventor: JUNG-AN CHENG