Patents by Inventor Min-Hsun Hsieh
Min-Hsun Hsieh 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: 12107080Abstract: The application discloses a light-emitting device including a carrier which includes an insulating layer, an upper conductive layer formed on the insulating layer, a plurality of conducting vias passing through the insulating layer, and a lower conductive layer formed under the insulating layer; four light-emitting elements arranged in rows and columns flipped on the carrier; and a light-passing unit formed on the carrier and covering the four light-emitting elements; wherein each of the light-emitting elements including a first light-emitting bare die emitting a first dominant wavelength, a second light-emitting bare die emitting a second dominant wavelength, and a third light-emitting bare die emitting a third dominant wavelength; and wherein two adjacent first light-emitting bare die in a row has a first distance W1, two adjacent first light-emitting bare die in a column has a second distance W2, and W1 is the same as W2.Type: GrantFiled: November 29, 2022Date of Patent: October 1, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Tzu-Hsiang Wang
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Patent number: 12100793Abstract: A light-emitting device includes a carrier, a light-emitting element and a connection structure. The carrier includes a first electrical conduction portion. The light-emitting element includes a first light-emitting layer capable of emitting first light and a first contact electrode formed under the light-emitting layer. The first contact electrode is corresponded to the first electrical conduction portion. The connection structure includes a first electrical connection portion and a protective portion surrounding the first contact electrode and the first electrical connection portion. The first electrical connection portion includes an upper portion, a lower portion and a neck portion arranged between the upper portion and the lower portion. An edge of the upper portion is protruded beyond the neck portion, and an edge of the lower portion is protruded beyond the upper portion.Type: GrantFiled: February 27, 2023Date of Patent: September 24, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Shau-Yi Chen, Shao-You Deng
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Publication number: 20240313146Abstract: The present disclosure provides a light-emitting module and a display apparatus thereof. The light-emitting module includes a circuit substrate which includes a first surface and a second surface opposite to the first surface. The first surface includes a plurality of conductive channels, and the second surface includes a plurality of conductive pads. A plurality of light-emitting groups is arranged in a matrix on the first surface. Each of the light-emitting groups includes a red light-emitting diode chip, a green light-emitting diode chip, and a blue light-emitting diode chip. An electric component is disposed on the first surface and located in the light-emitting groups matrix. A translucent encapsulating component covers the plurality of light-emitting groups and the electric component. The light-emitting groups matrix comprises m columns and n rows.Type: ApplicationFiled: May 20, 2024Publication date: September 19, 2024Inventors: Min-Hsun HSIEH, Jen-Chieh YU, Chun-Wei CHEN
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Patent number: 12095012Abstract: A light-emitting device includes a semiconductor stack, a first electrode, a second electrode, and a supporting layer. The semiconductor stack includes a first semiconductor layer including a first top surface and a bottom surface, an active layer located on the first semiconductor layer, and a second semiconductor layer located on the active layer and including a second top surface. The first electrode is located on the first top surface. The second electrode is located on the second top surface. The supporting layer includes a first thickness, and directly covers at least 80% of the bottom surface. In a top view, the semiconductor stack includes a maximum length, and a ratio of the maximum length to the first thickness is smaller than 1. The supporting layer has a first thermal expansion coefficient smaller than 80 ppm/° C., and the supporting layer has a Young's modulus between 2˜10 GPa.Type: GrantFiled: July 16, 2021Date of Patent: September 17, 2024Assignees: Epistar Corporation, Yenrich Technology CorporationInventors: Min-Hsun Hsieh, Kunal Kashyap
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Patent number: 12087891Abstract: A package comprises a substrate including a first surface, and an upper conductive layer arranged on the first surface, a first light-emitting unit arranged on the upper conductive layer, and comprises a first semiconductor layer, a first substrate, a first light-emitting surface and a first side wall, a second light-emitting unit, which is arranged on the upper conductive layer, and comprises a second light-emitting surface and a second side wall, a light-transmitting layer arranged on the first surface and covers the upper conductive layer, the first light-emitting unit, and the second light-emitting unit, a light-absorbing layer, which is arranged between the substrate and the light-transmitting layer in a continuous configuration of separating the first light-emitting unit and the second light-emitting unit from each other, and a reflective wall arranged on the first side wall, wherein a height of the reflective wall is lower than that of the light-absorbing layer.Type: GrantFiled: January 8, 2024Date of Patent: September 10, 2024Assignees: Epistar Corporation, Yenrich Technology CorporationInventors: Shau-Yi Chen, Tzu-Yuan Lin, Wei-Chiang Hu, Pei-Hsuan Lan, Min-Hsun Hsieh
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Patent number: 12062748Abstract: A light-emitting device includes a carrier, a light-emitting element and a connection structure. The carrier includes a first electrical conduction portion. The light-emitting element includes a first light-emitting layer capable of emitting first light and a first contact electrode formed under the light-emitting layer. The first contact electrode is corresponded to the first electrical conduction portion. The connection structure includes a first electrical connection portion and a protective portion surrounding the first contact electrode and the first electrical connection portion. The first electrical connection portion includes an upper portion, a lower portion and a neck portion arranged between the upper portion and the lower portion. An edge of the upper portion is protruded beyond the neck portion, and an edge of the lower portion is protruded beyond the upper portion.Type: GrantFiled: February 27, 2023Date of Patent: August 13, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Shau-Yi Chen, Shao-You Deng
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Patent number: 12057337Abstract: A chip transferring method includes providing a plurality of chips on a first load-bearing structure; measuring photoelectric characteristic values of the plurality of chips; categorizing the plurality of chips into a first portion chips and a second portion chips according to the photoelectric characteristic values of the plurality of chips, wherein the second portion chips comprise parts of the plurality of chips which photoelectric characteristic value falls within an unqualified range; removing the second portion chips from the first load-bearing structure; dividing the first portion chips into a plurality of blocks according to the photoelectric characteristic values, and each of the plurality of blocks comprising multiple chips of the first portion chips; and transferring the multiple chips of one of the plurality of blocks to a second load-bearing structure.Type: GrantFiled: May 4, 2023Date of Patent: August 6, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, De-Shan Kuo, Chang-Lin Lee, Jhih-Yong Yang
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Publication number: 20240258455Abstract: A method of processing light-emitting elements includes: placing a plurality of LED dies from original wafers or trays on each trays of a next-stage carrier, based on a predetermined pattern. The predetermined pattern arranges two adjacent LED groups in a first direction on the original wafer or trays to be placed on two non-adjacent positions in the first direction on the tray of the next-stage carrier. The LED dies on the original wafer or trays have a first horizontal pitch and a first vertical pitch. The LED dies on each tray of the next-stage carrier have a second horizontal pitch and a second vertical pitch. The second horizontal pitch is greater than the first horizontal pitch, or the second vertical pitch is greater than the first vertical pitch. Besides, a light-emitting element device using the aforementioned method is also provided.Type: ApplicationFiled: April 16, 2024Publication date: August 1, 2024Applicant: EPISTAR CORPORATIONInventors: Min-Hsun HSIEH, Chang-Lin LEE
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Publication number: 20240234660Abstract: This disclosure discloses a method of manufacturing a light-emitting device includes steps of providing a first substrate with a plurality of first light-emitting elements and adhesive units arranged thereon, providing a second substrate with a first group of second light-emitting elements and a second group of second light-emitting elements arranged thereon, and connecting the a second group of second light-emitting elements and the adhesive units. The first light-emitting elements and the first group of second light-emitting elements are partially or wholly overlapped with each other during connecting the second group of second light-emitting elements and the adhesive units.Type: ApplicationFiled: February 5, 2024Publication date: July 11, 2024Inventor: Min-Hsun HSIEH
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Patent number: 12021177Abstract: A display device includes LEDs, a circuit board, an insulating layer, conductive posts, a control conductive plate, and a common conductive strip. The circuit board includes first pads and a second pad surrounding the first pads. The LEDs are on an insulating layer covering the first pads, each including a first and second electrode pad. The conductive posts are on and connected to a first portion of the first pads, and penetrate the insulation layer. The control conductive plate is electrically connected to one of the first electrode pads and the conductive posts. The common conductive strip is on the insulation layer and electrically connected to the second pad and a second electrode pad. Each first electrode pad is electrically connected to the first pads. A second portion of the first pads is completely covered by the insulation layer and overlapped with the common conductive strip and the insulation layer.Type: GrantFiled: August 12, 2021Date of Patent: June 25, 2024Assignees: EPISTAR CORPORATION, YENRICH TECHNOLOGY CORPORATIONInventors: Min-Hsun Hsieh, Chun-Wei Chen
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Publication number: 20240203920Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a first electrode and a second electrode disposed on a substrate, a first conductive bump disposed on the first electrode, and a second conductive bump disposed on the second electrode, wherein, the first conductive bump has a first convex top surface, the second conductive bump has a second convex top surface, and the top of the first convex top surface and the top of the second convex top surface substantially have a same horizontal height. The composition of the first electrode includes a first metal. The composition of the first conductive bump includes the first metal and a second metal. The content of the first metal in the first conductive bump is gradually decreased in a direction away from the first electrode.Type: ApplicationFiled: December 12, 2023Publication date: June 20, 2024Inventors: Min-Hsun HSIEH, Shih-An LIAO, Jan-Way CHIEN
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Publication number: 20240186449Abstract: The present disclosure provides a semiconductor device including a semiconductor structure, a first metal element-containing structure, and a layer. The semiconductor structure includes a first semiconductor layer having a first material, a second semiconductor layer, an active region between the first semiconductor layer and the second semiconductor layer. The first metal element-containing structure is located on the semiconductor structure and includes a first metal element. The layer has a second material and a second metal element and is located between the first semiconductor layer and the first metal element-containing structure. The first material has a conduction band edge Ec and a valence band edge Ev, and the second material has a work function WF1, when the first semiconductor layer is of an n-type conductivity, the work function WF1 fulfills WF1<(Ec+Ev)/2, and when the first semiconductor layer is of a p-type conductivity, the work function WF1 fulfills WF1>(Ec+Ev)/2.Type: ApplicationFiled: December 26, 2023Publication date: June 6, 2024Inventors: Min-Hsun HSIEH, Yu-Tsu LEE, Wei-Jen HSUEH
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Patent number: 11996493Abstract: The present disclosure provides a light-emitting module and a display apparatus thereof. The light-emitting module includes a circuit substrate which includes a first surface and a second surface opposite to the first surface. The first surface includes a plurality of conductive channels, and the second surface includes a plurality of conductive pads. A plurality of light-emitting groups is arranged in a matrix on the first surface. Each of the light-emitting groups includes a red light-emitting diode chip, a green light-emitting diode chip, and a blue light-emitting diode chip. An electric component is disposed on the first surface and located in the light-emitting groups matrix. A translucent encapsulating component covers the plurality of light-emitting groups and the electric component. Wherein, the light-emitting groups matrix comprises m columns and n rows.Type: GrantFiled: August 6, 2021Date of Patent: May 28, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Jen-Chieh Yu, Chun-Wei Chen
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Publication number: 20240145650Abstract: A package comprises a substrate including a first surface, and an upper conductive layer arranged on the first surface, a first light-emitting unit arranged on the upper conductive layer, and comprises a first semiconductor layer, a first substrate, a first light-emitting surface and a first side wall, a second light-emitting unit, which is arranged on the upper conductive layer, and comprises a second light-emitting surface and a second side wall, a light-transmitting layer arranged on the first surface and covers the upper conductive layer, the first light-emitting unit, and the second light-emitting unit, a light-absorbing layer, which is arranged between the substrate and the light-transmitting layer in a continuous configuration of separating the first light-emitting unit and the second light-emitting unit from each other, and a reflective wall arranged on the first side wall, wherein a height of the reflective wall is lower than that of the light-absorbing layer.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Inventors: Shau-Yi CHEN, Tzu-Yuan LIN, Wei-Chiang HU, Pei-Hsuan LAN, Min-Hsun HSIEH
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Patent number: 11961938Abstract: A method of processing light-emitting elements includes: transferring a plurality of light-emitting elements from original wafers or next-stage carriers, based on a predetermined pattern. The predetermined pattern arranges two adjacent LED groups in a first direction on the original wafer or carriers to be placed on two non-adjacent positions in the first direction on the next-stage carriers. The light-emitting elements on the original wafer have a horizontal wafer pitch and a vertical wafer pitch. The light-emitting elements on each of the next-stage carriers have a first horizontal pitch and a first vertical pitch. The first horizontal pitch is greater than the horizontal wafer pitch, or the first vertical pitch is greater than the vertical wafer pitch. Besides, a light-emitting element device using the aforementioned method is also provided.Type: GrantFiled: March 13, 2020Date of Patent: April 16, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Chang-Lin Lee
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Patent number: 11955589Abstract: A light-emitting device comprises a carrier, which comprises a plurality of side surfaces, an insulating layer, an upper conductive layer arranged on the insulating layer, a lower conductive layer arranged under the insulating layer, and a plurality of conductive through holes arranged between and connected to the upper conductive layer and the lower conductive layer; a plurality of light-emitting units arranged on and electrically connected to the upper conductive layer; and a transparent unit fully covering the plurality of light-emitting units, and exposing the lower conductive layer, wherein the plurality of conductive through holes are not completely buried within the insulating layer, and each conductive through hole is sandwiched by two adjacent ones of the plurality of side surfaces.Type: GrantFiled: July 15, 2021Date of Patent: April 9, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Tzu-Hsiang Wang
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Patent number: 11894507Abstract: This disclosure discloses a method of manufacturing a light-emitting device includes steps of providing a first substrate with a plurality of first light-emitting elements and adhesive units arranged thereon, providing a second substrate with a first group of second light-emitting elements and a second group of second light-emitting elements arranged thereon, and connecting the a second group of second light-emitting elements and the adhesive units. The first light-emitting elements and the first group of second light-emitting elements are partially or wholly overlapped with each other during connecting the second group of second light-emitting elements and the adhesive units.Type: GrantFiled: February 6, 2023Date of Patent: February 6, 2024Assignee: EPISTAR CORPORATIONInventor: Min-Hsun Hsieh
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Patent number: 11894489Abstract: A semiconductor device and a method for manufacturing the same are provided. The semiconductor device includes a first semiconductor layer, an active region, a p-type or n-type layer, and a first metal element-containing structure. The first semiconductor layer has a surface including a first portion and a second portion. The active region is located on the first portion and includes AlGaInAs, InGaAsP, AlGaAsP or AlGaInP. The p-type or n-type layer includes an oxygen element (O) and a metal element, and is located on the second portion. The first metal element-containing structure is located on the p-type or n-type layer. The p-type or n-type layer physically contacts the first metal element-containing structure and the first semiconductor layer.Type: GrantFiled: March 16, 2021Date of Patent: February 6, 2024Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Yu-Tsu Lee, Wei-Jen Hsueh
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Publication number: 20240038736Abstract: An embodiment of present invention discloses a light-emitting device which includes a first light-emitting area, a second light-emitting area, and a third light-emitting area. The first light-emitting area emits a red light and includes a first light-emitting unit. The second light-emitting area emits a blue light and includes a second light-emitting unit. The third light-emitting area emits a green light and includes a third light-emitting unit. The first light-emitting area is larger than the second light-emitting area and larger than the third light-emitting area. Each of the first light-emitting unit, the second light-emitting unit, and the third light-emitting unit has a width of less than 100 ?m and a length of less than 100 ?m.Type: ApplicationFiled: October 13, 2023Publication date: February 1, 2024Inventor: Min-Hsun HSIEH
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Publication number: 20240030373Abstract: A method of repairing a light emitting device, comprises: providing a light emitting device comprising a carrier board and a first light emitting unit; destroying the first light emitting unit and forming a removal surface on the light emitting device; planarizing the removal surface; providing a bonding structure on the removal surface; and fixing a second light emitting unit on the planarized removal surface through the bonding material.Type: ApplicationFiled: October 2, 2023Publication date: January 25, 2024Inventor: Min-Hsun HSIEH