Patents by Inventor En-Tsung Cho

En-Tsung Cho 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).

  • Publication number: 20220093801
    Abstract: This application discloses a display panel, a method for manufacturing a display panel, and a display device. The method includes steps of forming, in a display region of the display panel, a first active switch including a first semiconductor layer, and forming, in a non-display region of the display panel, a second active switch including a second semiconductor layer. A material of the first semiconductor layer formed is an oxide, a material of the second semiconductor layer formed is polysilicon, and the first semiconductor layer and the second semiconductor layer are formed on an identical layer.
    Type: Application
    Filed: December 26, 2019
    Publication date: March 24, 2022
    Inventors: En-Tsung CHO, Qionghua MO
  • Publication number: 20220084810
    Abstract: The present application discloses a manufacturing method of a silicon nitride thin film, a thin film transistor and a display panel, the method includes following steps: providing a silane precursor into an atomic layer deposition apparatus for a preset time period, and remaining the silane precursor for a preset time period after the provision; providing an inert gas into the atomic layer deposition apparatus for a preset time period for the first time, and purging the silane precursor; providing a nitrogen supplying precursor into the atomic layer deposition apparatus for a preset time period, and remaining the nitrogen supplying precursor for a preset time period after the provision; providing the inert gas into the atomic layer deposition apparatus for a preset time period for the second time, and purging the nitrogen supplying precursor; repeating for a preset number of times the steps of providing the silane precursor, providing the inert gas for the first time, providing the nitrogen supplying precurso
    Type: Application
    Filed: June 11, 2021
    Publication date: March 17, 2022
    Inventors: EN-TSUNG CHO, WANFEI YONG, JE-HAO HSU, YUMING XIA, HAIJIANG YUAN
  • Publication number: 20220068976
    Abstract: The present application discloses an array substrate, a manufacturing method therefor and a display panel. The manufacturing method for the array substrate includes steps of: forming a base layer; forming a semiconductor layer on the base layer; forming a metal layer on the semiconductor layer, where the upper surface of the metal layer contains a first nitride or a first oxide; etching the metal layer into a source/drain electrode; and forming a passivation layer on the source/drain electrode, where the passivation layer is a second nitride structure corresponding to the first nitride or a second oxide structure corresponding to the first oxide.
    Type: Application
    Filed: March 9, 2020
    Publication date: March 3, 2022
    Inventors: En-Tsung CHO, FENGYUN YANG, Qionghua MO, YONG ZHANG
  • Publication number: 20220056578
    Abstract: The present application discloses a manufacturing method for a graphene film, a porous silica powder and a transparent conductive layer. The manufacturing method for a graphene film includes steps of: providing a porous material powder; placing the porous material powder in an atomic layer deposition device; forming a porous material template having a metal catalyst layer in pores; and preparing the graphene film on the porous material template.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 24, 2022
    Inventors: Yuming Xia, En-Tsung Cho, Wei Li
  • Patent number: 11257873
    Abstract: The present application provides a display panel and a display device. The display panel includes a substrate; an active switch, which is disposed on the substrate and includes a first active switch, a second active switch, and an indium gallium zinc oxide layer; a pixel, which is disposed on the substrate and coupled to the first active switch and includes a quantum dot light-emitting diode; and a light sensor, which is disposed on the substrate and coupled to the second active switch and includes a quantum dot light sensing layer; where the active switch includes a gate layer, a gate insulating layer, the indium gallium zinc oxide layer, an etch stop layer, a metal layer, and a pixel electrode layer which are sequentially arranged on the substrate.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: February 22, 2022
    Assignees: HKC CORPORATION LIMTTED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Patent number: 11249364
    Abstract: The present application discloses a display panel and a method for manufacturing a first substrate thereof. The display panel includes a first substrate which is provided with a thin film transistor. The thin film transistor includes a gate, a source and a drain. Light shielding layers are disposed on the outer side of the source and the outer side of the drain.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 15, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kaijun Liu, En-Tsung Cho
  • Publication number: 20220037476
    Abstract: The present application discloses a manufacturing method for a gate electrode and a thin film transistor, and a display panel, including: depositing an aluminum film on a substratum by physical vapor deposition; depositing a molybdenum film over the aluminum film by atomic layer deposition; and etching the aluminum film and the molybdenum film to form the gate electrode of a predetermined pattern.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 3, 2022
    Inventors: En-Tsung CHO, Yuming XIA, Wei LI
  • Publication number: 20220037539
    Abstract: This application discloses a photoreceptor, a panel, and a method for manufacturing a photoreceptor. The photoreceptor includes a photosensitive layer. The photosensitive layer includes a subject entity including a plurality of holes, and an object entity including at least two photosensitive materials whose photosensitive wavelength bands are different. The holes of the subject entity are filled with the photosensitive materials.
    Type: Application
    Filed: December 4, 2019
    Publication date: February 3, 2022
    Inventors: En-Tsung CHO, FENGYUN YANG
  • Publication number: 20220037377
    Abstract: Disclosed are a manufacturing method of an array substrate, an array substrate and a display device. The manufacturing method of the array substrate includes: providing a substrate; depositing and patterning a gate layer on the substrate; depositing a protective layer on the substrate covered with the gate layer by atomic layer deposition; and depositing and patterning an amorphous silicon layer and an ohmic contact layer on the protective layer. The uniform protective layer of the present disclosure reduces the influence on the field effect mobility of the thin film transistor, makes the display of the product more stable, and improves the display effect.
    Type: Application
    Filed: March 8, 2021
    Publication date: February 3, 2022
    Inventors: Yuming XIA, En-tsung CHO, Lidan YE
  • Publication number: 20220037392
    Abstract: The present application discloses a display panel and a manufacturing method therefor, and the method includes steps of: forming a photosensitive element layer, forming a light collimating layer on the photosensitive element layer, and forming an active light-emitting matrix layer on the light collimating layer; where the step of forming the light collimating layer includes: providing a metal substrate, putting the metal substrate into an electrolyte, and preparing a porous oxidized metal as the light collimating layer by a two-step oxidation method.
    Type: Application
    Filed: June 25, 2021
    Publication date: February 3, 2022
    Inventors: EN-TSUNG CHO, Jie Ding, Je-Hao Hsu, Lidan Ye
  • Publication number: 20220037371
    Abstract: The present application discloses a manufacturing method for a display panel and the display panel, and the manufacturing method includes a manufacture procedure of forming an array substrate, where the manufacture procedure of forming an array substrate includes: forming a buffer layer with a preset pattern on a glass substrate; placing the glass substrate with the buffer layer formed thereon into an electrochemical deposition device, and performing electrochemical deposition to form a copper alloy metal layer corresponding to the buffer layer; heating and annealing the copper alloy metal layer to form a first metal layer; sequentially forming an insulating layer, an active layer, a second metal layer, a passivation layer and a transparent electrode layer on the first metal layer, where the first metal layer includes a buffer layer and a copper alloy metal layer.
    Type: Application
    Filed: July 16, 2021
    Publication date: February 3, 2022
    Inventors: Yuming XIA, En-Tsung CHO, Chongwei TANG
  • Publication number: 20220036031
    Abstract: Disclosed are an optical fingerprint sensor, a preparation method thereof and a display device. The optical fingerprint sensor includes: a substrate; and a sensor unit, disposed on the substrate and including a thin film transistor and a photosensor electrically connected to the thin film transistor, where the thin film transistor includes a source electrode, a drain electrode, a semiconductor layer, and a light shield layer formed over a channel region between the source electrode and the drain electrode and shielding the semiconductor layer exposed in the channel region.
    Type: Application
    Filed: March 31, 2021
    Publication date: February 3, 2022
    Inventors: En-tsung CHO, Fengyun YANG, Je-hao HSU, Haijiang YUAN
  • Publication number: 20220037366
    Abstract: The present application discloses a manufacturing method for a carbon nanotube conductive film, a display panel and a display device. The manufacturing method for the carbon nanotube conductive film includes steps of: forming a mesoporous silica; depositing a catalyst layer in a channel of the mesoporous silica by atomic layer deposition; manufacturing the mesoporous silica with the catalyst layer deposited in the channel into a mesoporous silica film; introducing a carbon matrix precursor into the channel of the mesoporous silica film by chemical vapor deposition, and reacting under the catalysis of the catalyst layer to form a carbon nanotube film; and removing the mesoporous silica and the catalyst layer from the carbon nanotube film to form the transparent carbon nanotube conductive film.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 3, 2022
    Inventors: Yuming XIA, En-Tsung CHO, Haijiang YUAN
  • Publication number: 20220037378
    Abstract: Disclosed are a method for manufacturing an array substrate, an array substrate and a display device. The method includes the following operations: sequentially forming a gate, a gate insulation layer, an active layer, an ohmic contact layer and a metal layer on a base substrate; forming a photolithography mask on the metal layer, a thickness of the photolithography mask being between 1.7 ?m and 1.8 ?m; exposing the photolithography mask through a mask plate to make a uniformity of the photolithography mask in a half-exposed area of the mask plate reach a preset uniformity; and manufacturing the array substrate based on the exposed photolithography mask.
    Type: Application
    Filed: January 27, 2021
    Publication date: February 3, 2022
    Inventors: Yuming XIA, En-tsung CHO, Wei LI
  • Publication number: 20220037058
    Abstract: The present application discloses a manufacturing method for a graphene film, a manufacturing method for a graphene material and a display panel. The manufacturing method for the graphene film includes steps of: obtaining a graphene oxide dispersion; reducing the graphene oxide dispersion to a graphene material by an electrochemical deposition method; preparing the graphene material into the graphene film.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 3, 2022
    Inventors: Yuming Xia, En-Tsung Cho, Lidan Ye
  • Publication number: 20220028905
    Abstract: A method for manufacturing a data line includes: forming a conductive layer on a substrate; forming a photoresist layer on a side of the conductive layer away from the substrate; exposing and then developing the photoresist layer to form a groove penetrating the photoresist layer, thus obtaining a patterned photoresist layer; and depositing a functional material electrochemically on the patterned photoresist layer, then removing the patterned photoresist layer to obtain the conductive layer with the patterned functional material layer, thereby obtaining the data line.
    Type: Application
    Filed: July 23, 2021
    Publication date: January 27, 2022
    Applicants: Beihai HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Yuming XIA, En-Tsung CHO, Lidan YE
  • Publication number: 20220028904
    Abstract: A gate unit and a manufacturing method thereof, a method of manufacturing an array substrate, and a display mechanism are provided. The method of manufacturing a gate unit includes: providing a conductive layer on a substrate; forming a photoresist layer on a side of the conductive layer away from the substrate; exposing the photoresist layer, and then developing the photoresist layer to form a groove extending through the photoresist layer on the photoresist layer, so as to form the photoresist layer with a pattern; and electrochemically depositing a functional material on the photoresist layer with the pattern, and then removing the photoresist layer to obtain the conductive layer having a pattern layer formed thereon, so as to obtain the gate unit.
    Type: Application
    Filed: June 21, 2021
    Publication date: January 27, 2022
    Applicants: Beihai HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Xia YUMING, En-Tsung CHO, Chongwei TANG
  • Publication number: 20220028902
    Abstract: The present disclosure relates to a source-drain electrode and a method for manufacturing the same, an array substrate and a method for manufacturing the same, and a display mechanism. A method for manufacturing a source-drain electrode includes steps of: disposing a conductive layer on an underlay; forming a photoresist layer on a side of the conductive layer away from the underlay; exposing and then developing the photoresist layer to form grooves passing through the photoresist layer on the photoresist layer, so as to form a patterned photoresist layer; and electrochemically depositing a functional material on the patterned photoresist layer and then removing the photoresist layer to obtain the conductive layer on which a patterned layer is formed, so as to obtain the source-drain electrode. The source-drain electrode manufactured by the above method has a higher conductivity.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 27, 2022
    Applicants: Beihai HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Yuming XIA, En-Tsung CHO, Haijiang YUAN
  • Patent number: 11227938
    Abstract: Provided are a thin film transistor structure, a manufacturing method thereof, and a display device. The method comprises: providing a substrate (10), and sequentially forming a gate (20), a gate insulating layer (30), an active layer (40), a doped layer (50), a source (610), a drain (620) and a channel region (70) on the substrate (10); placing the channel region (70) in a preset gas atmosphere for heating treatment; wherein, the channel region (70) is placed in a nitrogen atmosphere to heat for a first preset time, in a mixed atmosphere of nitrogen and ammonia to heat for a second preset time, in an ammonia atmosphere to heat for a third preset time; or first heating the channel region (70) for a fourth preset time, finally placing in the ammonia atmosphere to heat for a fifth preset time.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: January 18, 2022
    Assignee: HKC Corporation Limited
    Inventors: Qionghua Mo, En-Tsung Cho
  • Publication number: 20210391474
    Abstract: The present application relates to an active switch, a manufacturing method thereof and a display device. The manufacturing method of the active switch includes: sequentially forming a gate electrode, a gate insulating layer, an active layer, a semiconductor composite layer and a source electrode and a drain electrode on a substrate. The semiconductor composite layer includes a first N-type heavily doped amorphous silicon layer, a first N-type lightly doped amorphous silicon layer, a second N-type heavily doped amorphous silicon layer and a second N-type lightly doped amorphous silicon layer which are sequentially stacked, where the ion doping concentration of the first N-type heavily doped amorphous silicon layer is lower than that of the second N-type heavily doped amorphous silicon layer, and the ion doping concentration of the first N-type lightly doped amorphous silicon layer is higher than that of the second N-type lightly doped amorphous silicon layer.
    Type: Application
    Filed: December 10, 2018
    Publication date: December 16, 2021
    Inventors: Qionghua MO, En-Tsung CHO