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公开(公告)号:US20220059633A1
公开(公告)日:2022-02-24
申请号:US17444160
申请日:2021-07-30
发明人: Juhoon KANG , Gunhee KIM , Hyunho KIM , Hyungkeun PARK , Donghwan SHIM , Taehoon YANG , Joohee JEON , Sunyoung JUNG , Chungsock CHOI
摘要: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; an auxiliary display element in the component area; an auxiliary pixel circuit in the peripheral area and comprising an auxiliary thin-film transistor and an auxiliary storage capacitor; a transparent connection line connecting the auxiliary display element to the auxiliary pixel circuit; and a first organic insulating layer and a second organic insulating layer that are stacked between the substrate and the auxiliary display element in the component area, wherein the first organic insulating layer is between the transparent connection line and the auxiliary display element, and a refractive index of the first organic insulating layer is between a refractive index of the transparent connection line and a refractive index of the second organic insulating layer.
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公开(公告)号:US20210012707A1
公开(公告)日:2021-01-14
申请号:US16896573
申请日:2020-06-09
发明人: Yoomin KO , Gun Hee KIM , Sang Hoon KIM , Taehoon YANG , Joohee JEON
IPC分类号: G09G3/325 , G09G3/3266 , G09G3/3291
摘要: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.
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公开(公告)号:US20210264851A1
公开(公告)日:2021-08-26
申请号:US17319424
申请日:2021-05-13
发明人: Yoomin KO , Gun Hee KIM , Sang Hoon KIM , Taehoon YANG , Joohee JEON
IPC分类号: G09G3/325 , G09G3/3291 , G09G3/3266
摘要: A pixel of an organic light emitting diode (“OLED”) display device includes a switching transistor which transfers a data voltage, a storage capacitor which stores the data voltage transferred by the switching transistor, a driving transistor which generates a driving current based on the data voltage stored in the storage capacitor, an emission control transistor which selectively forms a path for the driving current in response to an emission control signal, an OLED which emits light based on the driving current, and a supplemental electrode overlapping a gate electrode of the driving transistor, the supplemental electrode having a first voltage for a predetermined time period from a time point at which the emission control signal has a turn-on level, and having a second voltage after the predetermined time period.
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公开(公告)号:US20210005687A1
公开(公告)日:2021-01-07
申请号:US16895122
申请日:2020-06-08
发明人: Joohee JEON , Yoomin KO , Sanghoon KIM , Seungchan LEE
IPC分类号: H01L27/32
摘要: A display panel includes: a substrate comprising a main display area and an auxiliary display area comprising a first pixel area, a second pixel area, and a transmission area; a first pixel in the first pixel area and comprising a first pixel electrode, a first opposite electrode, and a first intermediate layer between the first pixel electrode and the first opposite electrode; a second pixel in the second pixel area and comprising a second pixel electrode, a second opposite electrode, and a second intermediate layer between the second pixel electrode and the second opposite electrode; a pixel-defining layer on the first pixel electrode and the second pixel electrode and having a first opening and a second opening through which centers of the first pixel electrode and the second pixel electrode are respectively exposed; and a first barrier wall on the pixel-defining layer.
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公开(公告)号:US20190259822A1
公开(公告)日:2019-08-22
申请号:US16277221
申请日:2019-02-15
发明人: Joohee JEON , Gun Hee KIM , Do Hyung KIM , Hyeonsik KIM , Sangho PARK
摘要: An organic light emitting diode display device includes a substrate, a driving transistor, and a sub-pixel structure. The substrate has a first trench. The driving transistor is inside the first trench of the substrate. The sub-pixel structure is on the driving transistor.
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公开(公告)号:US20240099092A1
公开(公告)日:2024-03-21
申请号:US18527019
申请日:2023-12-01
发明人: Sang Hoon KIM , Seungchan LEE , GUN HEE KIM , Donghyun KIM , Soohyun MOON , Joohee JEON , SungJin HONG , TAEHOON YANG
IPC分类号: H10K59/35 , H10K59/00 , H10K59/121 , H10K59/131
CPC分类号: H10K59/353 , H10K59/00 , H10K59/121 , H10K59/131
摘要: Disclosed are display panels and display devices. The display panel comprises a base layer which includes a first region and a second region having a first sub-region and a second sub-region, first pixels in the first region, and second pixels in the first sub-region. Each of the first and second pixels includes a pixel electrode, an emission layer on the pixel electrode, and a common electrode on the emission layer. The pixel electrode is shifted relative to the emission layer in a direction away from the second sub-region.
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公开(公告)号:US20240057386A1
公开(公告)日:2024-02-15
申请号:US18492752
申请日:2023-10-23
发明人: Juhoon KANG , Gunhee KIM , Hyunho KIM , Hyungkeun PARK , Donghwan SHIM , Taehoon YANG , Joohee JEON , Sunyoung JUNG , Chungsock CHOI
IPC分类号: H10K59/121 , H10K50/844 , H10K59/65
CPC分类号: H10K59/1213 , H10K50/844 , H10K59/65 , H10K59/1216
摘要: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; an auxiliary display element in the component area; an auxiliary pixel circuit in the peripheral area and comprising an auxiliary thin-film transistor and an auxiliary storage capacitor; a transparent connection line connecting the auxiliary display element to the auxiliary pixel circuit; and a first organic insulating layer and a second organic insulating layer that are stacked between the substrate and the auxiliary display element in the component area, wherein the first organic insulating layer is between the transparent connection line and the auxiliary display element, and a refractive index of the first organic insulating layer is between a refractive index of the transparent connection line and a refractive index of the second organic insulating layer.
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公开(公告)号:US20210376279A1
公开(公告)日:2021-12-02
申请号:US17335562
申请日:2021-06-01
发明人: Joohee JEON , Bokwang SONG , Jieun KIM , Sanghee JANG , Gunhee KIM , Sanghwan CHO
摘要: A display apparatus includes a substrate, a main pixel circuit, a main display element, an auxiliary pixel circuit, an auxiliary display element, a first bottom metal layer, a second bottom metal layer, and a first barrier layer. The substrate includes a main display area and a component area including a transmission area. The main pixel circuit and the main display element are arranged in the main display area. The auxiliary pixel circuit and the auxiliary display element are arranged in the component area. A first bottom metal layer is arranged between the substrate and the auxiliary pixel circuit in the component area. The second bottom metal layer is arranged between the first bottom metal layer and the auxiliary pixel circuit in the component area. The first barrier layer is arranged between the first bottom metal layer and the second bottom metal layer.
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公开(公告)号:US20190295470A1
公开(公告)日:2019-09-26
申请号:US16359366
申请日:2019-03-20
发明人: Gun Hee KIM , Kyung-Bae KIM , Joohee JEON
IPC分类号: G09G3/3258
摘要: An organic light emitting display device includes a display panel including a plurality of pixels and a panel driver configured to generate driving signals to drive the plurality of pixels. Each of the plurality of pixels includes a first transistor, a second transistor, a storage capacitor, a third transistor, a maintain capacitor, a fourth transistor, a fifth transistor, and an organic light emitting diode. The maintain capacitor is configured to maintain a gate voltage of the first transistor during an emission period of the pixels.
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公开(公告)号:US20190279564A1
公开(公告)日:2019-09-12
申请号:US16295361
申请日:2019-03-07
发明人: Gun Hee KIM , Do Hyung KIM , Hyeonsik KIM , Sangho PARK , Joo-Sun YOON , Joohee JEON
IPC分类号: G09G3/3225 , H01L27/32
摘要: A display apparatus includes a plurality of pixels, each of the pixels including an organic light emitting diode, a first transistor providing a driving current to operate the organic light emitting diode, a second transistor including a gate electrode that receives a first scan signal, a first electrode that receives a data signal, and a second electrode electrically connected to the first electrode of the first transistor, a storage capacitor including a first electrode receiving a first power voltage and a second electrode electrically connected to the gate electrode of the first transistor, and a color accuracy enhancement transistor that applies a first back bias voltage to the first transistor in response to a color accuracy enhancement signal.
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