Patents by Inventor Ohjeong Kwon
Ohjeong Kwon 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: 20250234744Abstract: A display panel includes a base substrate including a pixel circuit, a pixel electrode disposed on the base substrate, a middle layer disposed on the pixel electrode, the middle layer including a light emitting material, a color filter disposed on the middle layer, the color filter including a phase retardation material which retards a phase of incident light, and a polarizing layer disposed on the color filter, the polarizing layer including a plurality of grid patterns spaced apart from each other at a selectable interval.Type: ApplicationFiled: December 4, 2024Publication date: July 17, 2025Applicant: Samsung Display Co., LTD.Inventors: TAEHO KIM, OHJEONG KWON, JONGHO SON, DAEWON KIM, MIHWA LEE, SUNGGYU JANG
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Patent number: 12342709Abstract: A display apparatus includes a first light-emitting element implementing a first emission area, a second light-emitting element implementing a second emission area, a low reflection layer on the first light-emitting element and the second light-emitting element, a first touch insulating layer including a first opening overlapping the second emission area, and a second touch insulating layer including a second opening overlapping the first opening, a light-blocking layer on the touch sensing layer and including a third opening corresponding to the first emission area and a fourth opening corresponding to the second emission area, and a reflection-adjusting layer wherein a refractive index of the reflection-adjusting layer is higher than a refractive index of the second touch insulating layer.Type: GrantFiled: October 12, 2023Date of Patent: June 24, 2025Assignee: Samsung Display Co., Ltd.Inventors: Ohjeong Kwon, Seungyeon Jeong, Hyeoji Kang, Taeho Kim, Mihwa Lee, Hongyeon Lee, Sunggyu Jang
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Patent number: 12284868Abstract: A display device includes an organic light emitting diode emitting light, an antireflection layer disposed on the organic light emitting diode and preventing reflection of external light incident from an outside, and a thin film encapsulation layer disposed on the antireflection layer.Type: GrantFiled: September 9, 2021Date of Patent: April 22, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wooyoung Kim, Ohjeong Kwon, Junghan Seo, Hongyeon Lee, Seungyeon Jeong
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Publication number: 20250127021Abstract: A display device includes a thin film transistor, a pixel electrode including a first portion, a second portion, and a third portion, the third portion positioned outside the first portion and the second portion, a pixel defining layer on the pixel electrode and defining a first pixel opening above the first portion of the pixel electrode and a second pixel opening above the second portion of the pixel electrode, an emission layer above the first pixel opening and the second pixel opening, a first refractive layer on the pixel defining layer and defining a first opening above the first pixel opening and a second opening overlapping the second pixel opening, and a second refractive layer on the first refractive layer, filling the first opening and the second opening of the first refractive layer, and having a refractive index greater than a refractive index of the first refractive layer.Type: ApplicationFiled: October 8, 2024Publication date: April 17, 2025Inventors: JONGHO SON, OHJEONG KWON, DAEWON KIM, TAEHO KIM, MIHWA LEE, SUNGGYU JANG
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Patent number: 12274120Abstract: A display apparatus includes: a substrate; a display device layer disposed on the substrate and including an organic light-emitting device; a low-reflection inorganic layer disposed on the display device layer and including an inorganic material; a capping layer disposed on the low-reflection inorganic layer, and a reflection adjusting layer disposed on the capping layer.Type: GrantFiled: January 27, 2022Date of Patent: April 8, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hongyeon Lee, Seungyeon Jeong, Beohmrock Choi, Ohjeong Kwon, Hongjo Park, Sujeong Kim, Kyunghee Lee
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Patent number: 12253696Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: GrantFiled: October 27, 2023Date of Patent: March 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Patent number: 12114555Abstract: A display apparatus includes: a first light-emitting device, a second light-emitting device, and a third light-emitting device, on a substrate; a first color conversion layer and a second color conversion layer respectively on the first light-emitting device and the second light-emitting device; a transmissive layer on the third light-emitting device; and an optical functional layer on the first color conversion layer, the second color conversion layer, and the transmissive layer, and comprising a reflective metal layer and a light-absorbing layer, the light-absorbing layer being on the reflective metal layer, wherein the optical functional layer comprises a plurality of openings respectively corresponding to a first emission area of the first light-emitting device, a second emission area of the second light-emitting device, and a third emission area of the third light-emitting device.Type: GrantFiled: December 10, 2021Date of Patent: October 8, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seungyeon Jeong, Ohjeong Kwon, Hongyeon Lee, Minju Han, Hyeoji Kang
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Publication number: 20240215401Abstract: A display module includes a display panel including a silicon substrate including pixel areas, a driving circuit layer disposed on the silicon substrate, a light emitting layer disposed on the driving circuit layer and extending over the pixel areas continuously, and a color filter disposed in the pixel areas on the light emitting layer, a phase retardation plate disposed on the display panel, and a wire grid polarizer disposed on the phase retardation plate and including metal patterns spaced apart from each other at selectable intervals.Type: ApplicationFiled: August 28, 2023Publication date: June 27, 2024Applicant: Samsung Display Co., LTD.Inventors: OHJEONG KWON, SU JEONG KIM, TAEHO KIM, HONGYEON LEE, SEUNGYEON JEONG
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Publication number: 20240172541Abstract: Provided is a display apparatus including a substrate, a display element on the substrate and defining an emission area, a low-reflection layer on the display element and including an inorganic material, a light blocking layer including a first sub-light blocking layer on the low-reflection layer and a second sub-light blocking layer on the first sub-light blocking layer, the light blocking layer having an opening passing through the first sub-light blocking layer and the second sub-light blocking layer to correspond to the emission area, and a reflection control layer on the light blocking layer and filling the opening. The first sub-light blocking layer includes a metal material, and the second sub-light blocking layer includes a metal material and/or a metal oxide.Type: ApplicationFiled: November 7, 2023Publication date: May 23, 2024Inventors: Seungyeon Jeong, Ohjeong Kwon, Hyeoji Kang, Taeho Kim, Duckjong Suh, Mihwa Lee, Hongyeon Lee
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Publication number: 20240155923Abstract: A display device includes a light emitting area and a non-light emitting area, a light emitting element disposed in the light emitting area on a substrate and including a pixel electrode, a light emitting layer, and an upper electrode, the pixel electrode, light emitting layer, and upper electrode being sequentially disposed, a light blocking layer disposed on the light emitting element in the non-light emitting area, and a reflection control layer disposed on the light emitting element, covering the light blocking layer, and including a recess depressed concavely from an upper surface in the light emitting area.Type: ApplicationFiled: July 18, 2023Publication date: May 9, 2024Applicant: Samsung Display Co., LTD.Inventors: MIHWA LEE, HYEOJI KANG, OHJEONG KWON, TAEHO KIM, HONGYEON LEE, SUNGGYU JANG, SEUNGYEON JEONG
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Publication number: 20240155924Abstract: A display device includes a light emitting area and a light blocking area, a light emitting device layer including first through third light emitting devices corresponding to the light emitting area, a light blocking layer including a light blocking member which is in the light blocking area and defines a first opening overlapping the first light emitting device, a second opening overlapping the second light emitting device, and a third opening overlapping the third light emitting device, a color filter layer including a first color filter in the first opening and a second color filter in the second opening, and an anti-reflection layer on the light blocking layer and the color filter layer, the anti-reflection layer including a pigment or a dye. The light blocking layer together with the color filter layer and the anti-reflection layer defines a polarizer of the display device.Type: ApplicationFiled: June 15, 2023Publication date: May 9, 2024Inventors: OHJEONG KWON, SEUNGYEON JEONG, HYEOJI KANG, SU JEONG KIM, TAEHO KIM, HONGYEON LEE
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Publication number: 20240147821Abstract: A display apparatus includes a first light-emitting element implementing a first emission area, a second light-emitting element implementing a second emission area, a low reflection layer on the first light-emitting element and the second light-emitting element, a first touch insulating layer including a first opening overlapping the second emission area, and a second touch insulating layer including a second opening overlapping the first opening, a light-blocking layer on the touch sensing layer and including a third opening corresponding to the first emission area and a fourth opening corresponding to the second emission area, and a reflection-adjusting layer wherein a refractive index of the reflection-adjusting layer is higher than a refractive index of the second touch insulating layer.Type: ApplicationFiled: October 12, 2023Publication date: May 2, 2024Inventors: Ohjeong Kwon, Seungyeon Jeong, Hyeoji Kang, Taeho Kim, Mihwa Lee, Hongyeon Lee, Sunggyu Jang
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Publication number: 20240120447Abstract: A display device includes a substrate including a light emitting area and a non-light emitting area, a light emitting element disposed in the light emitting area on the substrate, an encapsulation layer disposed on the light emitting element, and a reflection adjustment layer disposed on the encapsulation layer. The reflection adjustment layer includes a first portion adjacent to the encapsulation layer and a second portion disposed on the first portion, and a curing rate of the first portion a curing rate of the second portion are different.Type: ApplicationFiled: May 24, 2023Publication date: April 11, 2024Applicant: Samsung Display Co., LTD.Inventors: KYUNGHEE LEE, OHJEONG KWON, WOOYOUNG KIM, JUNG-WOO LEE
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Publication number: 20240069258Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: ApplicationFiled: October 27, 2023Publication date: February 29, 2024Inventors: MINSIK JUNG, OHJEONG KWON, SANGGYUN KIM, BYOUNGSEONG JEONG, MINJU HAN
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Publication number: 20240032405Abstract: A display panel includes a base layer, a light-emitting element layer on the base layer, a capping layer on the light-emitting element layer, an inorganic absorption layer on the capping layer, and having a refractive index of about 1.8 to about 3.0, and an encapsulation layer on the inorganic absorption layer, and including a first layer, a second layer, and a third layer that are sequentially stacked, wherein the first layer includes: a first sub layer on the inorganic absorption layer, and having a first refractive index of about 1.77 or more, and a second sub layer on the first sub layer, and having a second refractive index lower than the first refractive index.Type: ApplicationFiled: May 23, 2023Publication date: January 25, 2024Inventors: SEUNGYEON JEONG, OHJEONG KWON, SU JEONG KIM, TAEHO KIM, HONG-JO PARK, HONGYEON LEE
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Publication number: 20230422585Abstract: A display device includes a display panel, a sensor layer on the display panel, and a light control layer on the sensor layer and including a first colorant. The display panel includes a base substrate including a first light-emitting region emitting a first color light, and a second light-emitting region emitting a second color light having a light-emitting wavelength, a light-emitting element on the base substrate, and an encapsulation layer on the light-emitting element, and the sensor layer includes a sensor base layer on the encapsulation layer, a first conductive layer on the sensor base layer, an organic insulating film on the first conductive layer and including a second colorant, a second conductive layer on the organic insulating film, and an upper insulating layer on the second conductive layer. The organic insulating film overlaps the first light-emitting region.Type: ApplicationFiled: March 31, 2023Publication date: December 28, 2023Applicant: Samsung Display Co., Ltd.Inventors: SEUNGYEON JEONG, SU JEONG KIM, TAEHO KIM, HYEOJI KANG, OHJEONG KWON, MIHWA LEE, HONGYEON LEE
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Patent number: 11803000Abstract: An optical filter includes a substrate including a plurality of pixel areas spaced apart from each other and a light-blocking area between the plurality of pixel areas, a plurality of color filters arranged on a first surface of the substrate and corresponding to the plurality of pixel areas, and a plurality of conversion layers arranged on the first surface of the substrate and corresponding to the plurality of color filters. Each of the conversion layers includes inclined side surfaces. The optical filter further includes a reflective layer on the inclined side surfaces of each of the plurality of conversion layers. The reflective layer extends to the light-blocking area and is arranged consecutively on two adjacent inclined side surfaces from among the inclined side surfaces of the plurality of conversion layers and the light-blocking area between the two adjacent inclined side surfaces.Type: GrantFiled: June 21, 2021Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsik Jung, Ohjeong Kwon, Sanggyun Kim, Byoungseong Jeong, Minju Han
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Publication number: 20230284481Abstract: A display module is divided into a light-emitting region and a non-light-emitting region. The display module includes a base layer, a display element layer, an encapsulation substrate on the display element layer, and a light control layer including a colorant. The display element layer includes a pixel defining film having an opening defined therein to correspond to the light-emitting region, light-emitting elements adjacent to the pixel defining film, a first electrode exposed by the opening, a hole transport region on the first electrode to correspond to the light-emitting region and on the pixel defining film in the non-light-emitting region, a light-emitting layer on the hole transport layer to correspond to the light-emitting region, an electron transport layer on the light-emitting layer to correspond to the light-emitting region and on the hole transport layer in the non-light-emitting region, and a film formation suppression layer in the non-light-emitting region.Type: ApplicationFiled: February 2, 2023Publication date: September 7, 2023Applicant: Samsung Display Co., Ltd.Inventors: TAEHO KIM, HYEOJI KANG, OHJEONG KWON, SU JEONG KIM, MIHWA LEE, HONGYEON LEE, SUNGGYU JANG, SEUNGYEON JEONG
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Publication number: 20230209877Abstract: A display device includes a display panel, a sensor layer provided on the display panel, and a light control layer provided on the sensor layer, and including at least one of a dye or a pigment, wherein the display panel includes a base layer, a pixel-defining film provided on the base layer and having an opening defined therein, a light-emitting element including a light-emitting layer provided in the opening, an inorganic deposition layer provided on the light-emitting element, a low refractive pattern layer provided on the pixel-defining film, and an encapsulation layer provided on the low refractive pattern layer and the inorganic deposition layer, and the encapsulation layer has a higher refractive index than the low refractive pattern layer. Accordingly, due to improved light collection efficiency of the light-emitting element, the display device may have improved display efficiency.Type: ApplicationFiled: October 20, 2022Publication date: June 29, 2023Inventors: HONGYEON LEE, OHJEONG KWON, SEUNGYEON JEONG, HYEOJI KANG, TAEHO KIM
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Publication number: 20230189611Abstract: An electronic device includes a base layer, a light-emitting element layer disposed on the base layer and including a pixel defining film in which an opening is defined and a light-emitting layer disposed in the opening, an inorganic deposition layer disposed on the light-emitting element layer, an encapsulation layer disposed on the inorganic deposition layer, and a light control layer disposed on the encapsulation layer and including a base part, light-absorbing particles having a maximum absorption wavelength of about 370 nm to about 400 nm, and a colorant. Therefore, the electronic device may have excellent optical reliability.Type: ApplicationFiled: October 17, 2022Publication date: June 15, 2023Inventors: HYEOJI KANG, TAEHO KIM, OHJEONG KWON, HONGYEON LEE, SEUNGYEON JEONG