Patents by Inventor Hye-Hyang Park
Hye-Hyang Park 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: 11626461Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: GrantFiled: June 3, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hye-Hyang Park, Joo-Hee Jeon, Seung-Ho Jung, Chaun-Gi Choi, Hyeon-Sik Kim, Hui-Won Yang, Eun-Young Lee
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Publication number: 20210296418Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Hye-Hyang PARK, Joo-Hee JEON, Seung-Ho JUNG, Chaun-Gi CHOI, Hyeon-Sik KIM, Hui-Won YANG, Eun-Young LEE
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Patent number: 11056551Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: GrantFiled: August 29, 2019Date of Patent: July 6, 2021Inventors: Hye-Hyang Park, Joo-Hee Jeon, Seung-Ho Jung, Chaun-Gi Choi, Hyeon-Sik Kim, Hui-Won Yang, Eun-Young Lee
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Patent number: 11024826Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: GrantFiled: April 8, 2020Date of Patent: June 1, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jinkoo Chung, Seong-Min Kim, Hye Hyang Park, Jinhyun Park
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Publication number: 20200243792Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: ApplicationFiled: April 8, 2020Publication date: July 30, 2020Inventors: Jinkoo CHUNG, Seong-Min Kim, Hye Hyang Park, Jinhyun Park
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Patent number: 10651417Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: GrantFiled: July 18, 2019Date of Patent: May 12, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jinkoo Chung, Seong-Min Kim, Hye Hyang Park, Jinhyun Park
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Publication number: 20190386084Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: ApplicationFiled: August 29, 2019Publication date: December 19, 2019Inventors: Hye-Hyang PARK, Joo-Hee JEON, Seung-Ho JUNG, Chaun-Gi CHOI, Hyeon-Sik KIM, Hui-Won YANG, Eun-Young LEE
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Publication number: 20190341575Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: ApplicationFiled: July 18, 2019Publication date: November 7, 2019Inventors: Jinkoo CHUNG, Seong-Min KIM, Hye Hyang PARK, Jinhyun PARK
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Patent number: 10418431Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: GrantFiled: January 26, 2017Date of Patent: September 17, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hye-Hyang Park, Joo-Hee Jeon, Seung-Ho Jung, Chaun-Gi Choi, Hyeon-Sik Kim, Hui-Won Yang, Eun-Young Lee
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Patent number: 10403847Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: GrantFiled: April 12, 2018Date of Patent: September 3, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jinkoo Chung, Seong-Min Kim, Hye Hyang Park, Jinhyun Park
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Patent number: 10249843Abstract: A display device includes a substrate including a first area displaying an image and a second area adjacent to the first area, the second area transmitting external light, a first electrode and a second electrode disposed in the first area and overlapping each other, an emission layer disposed between the first electrode and the second electrode in the first area, a first semiconductor layer disposed in the first area, and a second semiconductor layer disposed in the second area.Type: GrantFiled: September 19, 2016Date of Patent: April 2, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hui-Won Yang, Hyeon Sik Kim, Hye Hyang Park, Eun Young Lee, Joo Hee Jeon
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Publication number: 20180301658Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.Type: ApplicationFiled: April 12, 2018Publication date: October 18, 2018Inventors: Jinkoo CHUNG, Seong-Min KIM, Hye Hyang PARK, Jinhyun PARK
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Patent number: 10068923Abstract: A transparent display device includes a base substrate having a pixel area and a transmission area, a barrier layer disposed on the base substrate, a pixel circuit disposed in the pixel area, a display structure disposed on the pixel circuit, a transmitting structure disposed in the transmission area, an adhesive layer disposed between the base substrate and the barrier layer, and between the base substrate and the transmitting structure, and a transmitting window defined in the transmission area where the transmitting structure may include a composition including silicon oxynitride, the adhesive layer may include aluminum oxide, and the transmitting window may expose a surface of the transmitting structure.Type: GrantFiled: June 23, 2016Date of Patent: September 4, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Ho Jung, Chaun-Gi Choi, Hyeon-Sik Kim, Hye-Young Park, Hye-Hyang Park, Hui-Won Yang, Eun-Young Lee, Joo-Hee Jeon, Su-Kyoung Yang, Chan-Woo Yang
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Patent number: 10020352Abstract: A substrate structure may be used in a display device. The substrate structure may include a base substrate, a transistor, and a silicon oxynitride layer. The transistor may include a semiconductor member and a gate electrode and may overlap the base substrate. The silicon oxynitride layer may directly contact at least one of the base substrate, the semiconductor member, and the gate electrode and may include (and/or contain) a hydrogen atom set. A hydrogen concentration in the silicon oxynitride layer may be greater than or equal to 1.52 atomic percent.Type: GrantFiled: July 14, 2016Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Yung-Bin Chung, Bo-Geon Jeon, Eun-Jeong Cho, Hye-Hyang Park, Sung-Hoon Yang, Woo-Seok Jeon, Joo-Hee Jeon, Chaun-Gi Choi
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Publication number: 20170221976Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: ApplicationFiled: January 26, 2017Publication date: August 3, 2017Inventors: Hye-Hyang PARK, Joo-Hee JEON, Seung-Ho JUNG, Chaun-Gi CHOI, Hyeon-Sik KIM, Hui-Won YANG, Eun-Young LEE
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Publication number: 20170104048Abstract: A substrate structure may be used in a display device. The substrate structure may include a base substrate, a transistor, and a silicon oxynitride layer. The transistor may include a semiconductor member and a gate electrode and may overlap the base substrate. The silicon oxynitride layer may directly contact at least one of the base substrate, the semiconductor member, and the gate electrode and may include (and/or contain) a hydrogen atom set. A hydrogen concentration in the silicon oxynitride layer may be greater than or equal to 1.52 atomic percent.Type: ApplicationFiled: July 14, 2016Publication date: April 13, 2017Inventors: Yung-Bin CHUNG, Bo-Geon JEON, Eun-Jeong CHO, Hye-Hyang PARK, Sung-Hoon YANG, Woo-Seok JEON, Joo-Hee JEON, Chaun-Gi CHOI
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Patent number: 9614020Abstract: An oxide semiconductor device includes a first insulation layer pattern and a second insulation layer pattern disposed on a substrate, an active layer disposed on the first and second insulation layer patterns, the active layer including a source region including the first insulation layer pattern, a drain region including the second insulation layer pattern, and a channel region disposed between the source and drain regions, a source electrode contacting the source region, and a drain electrode contacting the drain region.Type: GrantFiled: August 4, 2015Date of Patent: April 4, 2017Assignee: Samsung Display Co., Ltd.Inventors: Shin-Hyuk Yang, Tae-Young Kim, Hye-Hyang Park
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Publication number: 20170092894Abstract: A display device includes a substrate including a first area displaying an image and a second area adjacent to the first area, the second area transmitting external light, a first electrode and a second electrode disposed in the first area and overlapping each other, an emission layer disposed between the first electrode and the second electrode in the first area, a first semiconductor layer disposed in the first area, and a second semiconductor layer disposed in the second area.Type: ApplicationFiled: September 19, 2016Publication date: March 30, 2017Inventors: Hui-Won YANG, Hyeon Sik Kim, Hye Hyang Park, Eun Young Lee, Joo Hee Jeon
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Publication number: 20170084635Abstract: A transparent display device includes a base substrate having a pixel area and a transmission area, a barrier layer disposed on the base substrate, a pixel circuit disposed in the pixel area, a display structure disposed on the pixel circuit, a transmitting structure disposed in the transmission area, an adhesive layer disposed between the base substrate and the barrier layer, and between the base substrate and the transmitting structure, and a transmitting window defined in the transmission area where the transmitting structure may include a composition including silicon oxynitride, the adhesive layer may include aluminum oxide, and the transmitting window may expose a surface of the transmitting structure.Type: ApplicationFiled: June 23, 2016Publication date: March 23, 2017Inventors: Seung-Ho JUNG, Chaun-Gi CHOI, Hyeon-Sik KIM, Hye-Young PARK, Hye-Hyang PARK, Hui-Won YANG, Eun-Young LEE, Joo-Hee JEON, Su-Kyoung YANG, Chan-Woo YANG
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Publication number: 20170062622Abstract: A thin film transistor array panel according to an exemplary embodiment of the present invention includes a substrate and a gate electrode disposed on the substrate. A gate insulating layer is disposed on the substrate and covers the gate electrode. A semiconductor layer is disposed on the gate insulating layer and includes a channel region, a source region, and a drain region. The source and drain regions are separated from each other by the channel region. An etch stopper is disposed on the semiconductor layer. A passivation layer is disposed on the semiconductor layer and covers the etch stopper. A source electrode and a drain electrode are disposed on the passivation layer and are respectively connected to the source region and the drain region. The passivation layer includes a first sub-passivation layer including aluminum oxide (AlOx).Type: ApplicationFiled: August 12, 2016Publication date: March 2, 2017Inventors: HYE HYANG PARK, EUN HYUN KIM, TAE YOUNG KIM, YEON KEON MOON, SHIN HYUK YANG