Patents by Inventor Chung-Chia Chen
Chung-Chia Chen 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: 20250081529Abstract: Embodiments with present disclosure provides a gate-all-around FET device including extended bottom inner spacers. The extended bottom inner prevents the subsequently formed epitaxial source/drain region from volume loss and induces compressive strain in the channel region to prevent strain loss and channel resistance degradation.Type: ApplicationFiled: March 1, 2024Publication date: March 6, 2025Inventors: Chien-Chia CHENG, Chih-Chiang CHANG, Ming-Hua YU, Chii-Horng LI, Chung-Ting KO, Sung-En LIN, Chih-Shan CHEN, De-Fang CHEN
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Publication number: 20250048845Abstract: The present disclosure provides sub-pixels. The sub-pixels include a plurality of pixel structures separating a plurality of anodes. The plurality of pixel structures are disposed over a substrate. A plurality of overhang structures are disposed over the plurality of pixel structures. Each overhang structure of the plurality of overhang structures include an upper portion including amorphous silicon disposed over a lower portion including germanium. A bottom surface of the upper portion extends laterally past an upper surface of the lower portion. An organic light emitting diode (OLED) material is disposed over an upper surface of the plurality of anodes and an upper surface of the plurality of pixel structures. A cathode is disposed over the OLED material and the upper surface of the plurality of pixel structures.Type: ApplicationFiled: July 16, 2024Publication date: February 6, 2025Inventors: Jungmin LEE, Dieter HAAS, Yu-hsin LIN, Chung-chia CHEN, Ji Young CHOUNG
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Publication number: 20250048844Abstract: Embodiments described herein relate to a method of forming a sub-pixel. The method includes depositing a first structure material over a substrate and an anode. The anode is disposed over the substrate. An interlayer dielectric (ILD) material is deposited over the first structure material. An ILD material is patterned. An intermediate structure material is deposited over the ILD material and the first structure material. A second structure material is deposited over the intermediate structure material. A portion of the second structure material is removed to form a second structure. A portion of the intermediate structure material disposed over the ILD material is removed to form an intermediate structure. A portion of the first structure material is removed to form a first structure of an overhang structure. The overhang structure comprises the first structure, the second structure, and the intermediate structure.Type: ApplicationFiled: July 12, 2024Publication date: February 6, 2025Inventors: Jungmin LEE, Dieter HAAS, Yu-Hsin LIN, Chung-chia CHEN, Ji Young CHOUNG
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Publication number: 20250024693Abstract: Exemplary methods of OLED device processing are described. The methods may include forming an anode on a substrate. Forming the anode may include forming a first metal oxide material on the substrate, forming a metal layer over the first metal oxide material, forming a protective barrier over the metal layer, and forming a second metal oxide material over the amorphous protection material. The protective barrier may be an amorphous protection material overlying the metal layer.Type: ApplicationFiled: August 7, 2024Publication date: January 16, 2025Applicant: Applied Materials, Inc.Inventors: Chung-Chia Chen, Yu-Hsin Lin, Jungmin Lee, Takuji Kato, Dieter Haas, Si Kyoung Kim, Ji Young Choung
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Publication number: 20250008823Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display, such as an organic light-emitting diode (OLED) display, are provided. In one example, a sub-pixel includes a substrate, adjacent overhang structures, an anode, an OLED material, a cathode, an encapsulation layer stack. The encapsulation layer stack includes a first layer, a second layer disposed over the first layer, and a third layer. The first layer and the second layer have a first portion disposed over the cathode, a second portion disposed over a sidewall of each overhang structure, and a third portion disposed under an underside surface of an extension of each overhang structure. A gap is defined by contact of the first portion of the second layer and the third portion of the second layer. The third layer is disposed over the second layer outside of the gap.Type: ApplicationFiled: March 4, 2024Publication date: January 2, 2025Inventors: Zongkai WU, Pei Chia CHEN, Wen-Hao WU, Jungmin LEE, Chung-chia CHEN, Yu-Hsin LIN, Kevin CHEN, Wenhui LI, Yu-Min WANG, Lai ZHAO, Soo Young CHOI
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Patent number: 12144206Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.Type: GrantFiled: July 14, 2023Date of Patent: November 12, 2024Assignee: Applied Materials, Inc.Inventors: Ji-young Choung, Chung-Chia Chen, Yu Hsin Lin, Jungmin Lee, Dieter Haas, Si Kyoung Kim
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Publication number: 20240357873Abstract: Embodiments described herein relate to sub-pixel circuits and for a display such as an organic light-emitting diode (OLED) display. In one embodiment, a device is provided. The device includes a substrate, two external pixel-defining layer (PDL) structures disposed over the substrate, an overhang opening defined by a top extensions of top structures disposed on and extending laterally past body structures, each body structure disposed over an upper surface of each external PDL structure, the overhang openings defining at least two sub-pixels including a first sub-pixel and a second sub-pixel, and at least one internal PDL structure disposed over the substrate, wherein the first sub-pixel and the second sub-pixel are connected over a top surface of the internal PDL structure with a first organic light-emitting diode (OLED) material of the first sub-pixel connecting a second OLED material of the second sub-pixel on the top surface of the internal PDL structure.Type: ApplicationFiled: April 18, 2024Publication date: October 24, 2024Inventors: Yu-Hsin LIN, Chung-Chia CHEN, Takuji KATO, Ji Young CHOUNG
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Patent number: 12127441Abstract: Embodiments described herein relate to a device including a substrate, a plurality of adjacent pixel-defining layer (PDL) structures disposed over the substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent first overhangs, adjacent second overhangs, an anode, a hole injection layer (HIL) material, an additional organic light emitting diode (OLED) material, and a cathode. Each first overhang is defined by a body structure disposed on and extending laterally past a base structure disposed on the PDL structure. Each second overhang is defined by a top structure disposed on and extending laterally past the body structure. The HIL material is disposed over and in contact with the anode and disposed under the adjacent first overhangs. The additional OLED material is disposed on the HIL material and extends under the first overhang.Type: GrantFiled: March 14, 2023Date of Patent: October 22, 2024Assignee: Applied Materials, Inc.Inventors: Yu-hsin Lin, Ji Young Choung, Chung-chia Chen, Jungmin Lee, Wen-Hao Wu, Takashi Anjiki, Takuji Kato, Dieter Haas, Si Kyoung Kim, Stefan Keller
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Patent number: 12120925Abstract: Embodiments described herein relate to a device comprising a substrate, a pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, and a plurality overhang structures. Each overhang structure is defined by a top structure extending laterally past a body structure. Each body structure is disposed over an upper surface of each PDL structure. Overhang structures define a plurality of sub-pixels including a first sub-pixel and a second sub-pixel. Each sub-pixel includes an anode, an organic light-emitting diode (OLED) material, a cathode, and an encapsulation layer. The OLED materials are disposed over the first anode and extends under the overhang structures. The cathodes are disposed over the OLED materials and under the overhang structures. The encapsulation layers are disposed over the first cathode. The first encapsulation layer has a first thickness and the second encapsulation layer has a second thickness different from the first thickness.Type: GrantFiled: April 17, 2023Date of Patent: October 15, 2024Assignee: Applied Materials, Inc.Inventors: Chung-chia Chen, Ji Young Choung, Dieter Haas, Yu-hsin Lin, Jungmin Lee, Wen-Hao Wu, Si Kyoung Kim
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Publication number: 20240341127Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.Type: ApplicationFiled: June 18, 2024Publication date: October 10, 2024Inventors: Jungmin LEE, Chung-chia CHEN, Ji Young CHOUNG, Yu-Hsin LIN
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Publication number: 20240341125Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.Type: ApplicationFiled: June 14, 2024Publication date: October 10, 2024Inventors: Ji-young CHOUNG, Chung-Chia CHEN, Yu Hsin LIN, Jungmin LEE, Dieter HAAS, Si Kyoung KIM
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Patent number: 12101947Abstract: Exemplary methods of OLED device processing are described. The methods may include forming an anode on a substrate. Forming the anode may include forming a first metal oxide material on the substrate, forming a metal layer over the first metal oxide material, forming a protective barrier over the metal layer, and forming a second metal oxide material over the amorphous protection material. The protective barrier may be an amorphous protection material overlying the metal layer.Type: GrantFiled: November 11, 2022Date of Patent: September 24, 2024Assignee: Applied Materials, Inc.Inventors: Chung-Chia Chen, Yu-Hsin Lin, Jungmin Lee, Takuji Kato, Dieter Haas, Si Kyoung Kim, Ji Young Choung
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Publication number: 20240315086Abstract: Embodiments described herein generally relate to a device. The device includes a substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent overhangs disposed over the substrate. Each overhang includes two or more overhang structures, an organic light emitting diode (OLED) material, and a cathode. The overhang structures include a first overhang defined by a first overhang structure outer extension of a second structure extending laterally past a first structure. The first structure is disposed over the substrate. The second structure is disposed over the first structure. The second structure of a first overhang structure is separated from the second structure of a second overhang structure by a structure gap. The OLED material is disposed over an anode. The cathode is disposed over the OLED material.Type: ApplicationFiled: March 11, 2024Publication date: September 19, 2024Inventors: Chung-chia CHEN, Ji Young CHOUNG, Yu-Hsin LIN, Jungmin LEE
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Publication number: 20240268205Abstract: Devices with sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. In one example, a device includes a substrate, a plurality of pixel-defining layer (PDL) structures disposed over the substrate, each PDL structure having an upper PDL surface, and a plurality of heat absorbent structures disposed on the upper PDL surface of the plurality PDL structures. Each adjacent heat absorbent structure includes a top surface and two sidewalls. Adjacent heat absorbent structures define sub-pixels of the device, each sub-pixel includes an anode, an OLED material disposed over the anode, a cathode disposed over the OLED material, and an encapsulation layer disposed over the cathode and over a first portion of the top surface of the first heat absorbent structure and a second portion of the top surface of the second heat absorbent structure.Type: ApplicationFiled: February 2, 2024Publication date: August 8, 2024Inventors: Ji Young CHOUNG, Chung-chia CHEN, Jungmin LEE, Yu-hsin LIN, Takuji KATO
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Patent number: 12041823Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.Type: GrantFiled: December 5, 2023Date of Patent: July 16, 2024Assignee: Applied Materials, Inc.Inventors: Jungmin Lee, Chung-chia Chen, Ji Young Choung, Yu-hsin Lin
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Patent number: 12035574Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.Type: GrantFiled: December 5, 2023Date of Patent: July 9, 2024Assignee: Applied Materials, Inc.Inventors: Jungmin Lee, Chung-chia Chen, Ji Young Choung, Yu-hsin Lin
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Patent number: 12035575Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.Type: GrantFiled: December 19, 2023Date of Patent: July 9, 2024Assignee: Applied Materials, Inc.Inventors: Jungmin Lee, Chung-chia Chen, Ji Young Choung, Yu-hsin Lin
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Patent number: 12029077Abstract: Embodiments described herein generally relate to sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes substrate, pixel-defining layer (PDL) structures disposed over the section of the substrate, inorganic or metal overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. The PDL structures include a trench disposed in the top surface of the PDL structure. Each sub-pixel includes an anode, an OLED material disposed over and in contact with the anode, and a cathode disposed over the OLED material. The inorganic or metal overhang structures have an overhang extension that extends laterally over the trench. An encapsulation layer is disposed over the cathode and extends under at least a portion of the inorganic or metal overhang structures and along a top surface of the PDL structures.Type: GrantFiled: October 31, 2023Date of Patent: July 2, 2024Assignee: Applied Materials, Inc.Inventors: Ji-Young Choung, Jungmin Lee, Chung-Chia Chen, Yusin Lin, Dieter Haas, Si Kyoung Kim
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Publication number: 20240147825Abstract: Examples disclosed herein relate to device. The device includes a substrate, a plurality of adjacent pixel-defining layer (PDL structures disposed over the substrate, and a plurality of sub-pixels. The PDL structure have a top surface coupled to adjacent sidewalls of the PDL structure. The plurality of sub-pixels are defined by the PDL structures. Each sub-pixel includes an anode, an organic light emitting diode (OLED), a cathode, and an encapsulation layer. The organic light emitting diode (OLED) material disposed over the anode. The OLED material extends over the top surface of the PDL structure past the adjacent sidewalls. The cathode is disposed over the OLED material. The cathode extends over the top surface of the PDL structure past the adjacent sidewalls. The encapsulation layer is disposed over the cathode. The encapsulation layer has a first sidewall and a second sidewall.Type: ApplicationFiled: October 26, 2022Publication date: May 2, 2024Inventors: Chung-chia CHEN, Yu-Hsin LIN, Ji Young CHOUNG, Jungmin LEE, Wen-Hao WU, Dieter HAAS
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Patent number: 11974457Abstract: An organic light-emitting diode (OLED) device includes a substrate, a well structure on the substrate with the well structure having a recess with side walls and a floor, a lower metal layer covering the floor and side-walls of the well, an upper conductive layer on the lower metal layer covering the floor of the well and contacting the lower metal layer, the upper conductive layer having outer edges at about an intersection of the side walls and the floor, a dielectric layer formed of an oxide of the lower metal layer covering the side walls of the well without covering the upper conductive layer, a stack of OLED layers covering at least the floor of the well, the upper conductive layer providing an electrode for the stack of OLED layers, and a light extraction layer (LEL) in the well over the stack of OLED layers and the dielectric layer.Type: GrantFiled: April 7, 2023Date of Patent: April 30, 2024Assignee: Applied Materials, Inc.Inventors: Gang Yu, Chung-Chia Chen, Wan-Yu Lin, Hyunsung Bang, Lisong Xu, Byung Sung Kwak, Robert Jan Visser