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Display apparatus

專利號(hào)
US12075661B2
公開日期
2024-08-27
申請(qǐng)人
LG Display Co., Ltd.（KR Seoul）
發(fā)明人
Kyeong-Ju Moon; So-Young Noh; Ki-Tae Kim; Hyuk Ji
IPC分類
H01L29/786; H10K59/124
技術(shù)領(lǐng)域
electrode,transistor,film,layer,thin,gate,insulating,pattern,may,first
地域： Seoul

摘要

A display apparatus includes a first TFT in a display area including a first semiconductor pattern including a polysilicon, a first gate electrode overlapping with the first semiconductor pattern under conditions that a first gate insulating layer is interposed, and first source and drain electrodes connected to the first semiconductor pattern, a second TFT in the display area including a second semiconductor pattern including a first oxide semiconductor, a second gate electrode overlapping with the second semiconductor pattern under conditions that second and third gate insulating layers are interposed, second source and drain electrodes connected to the second semiconductor pattern, and a third TFT in a non-display area including a third semiconductor pattern including a second oxide semiconductor, a third gate electrode overlapping with the third semiconductor pattern under conditions that the third gate insulating layer is interposed, and third source and drain electrodes connected to the third semiconductor pattern.

說(shuō)明書

Referring to FIG. 2, the display apparatus 200 according to another exemplary embodiment of the present disclosure may include the substrate 210, a buffer layer 211, a first gate insulating layer 212, a second gate insulating layer 213, an interlayer insulating layer 214, a passivation layer 215, a bank layer 216, a spacer 217, a first metal pattern 610, a second metal pattern 620, a third metal pattern 630, a light emitting element 400, an encapsulator 500, the first thin film transistor 350, the second thin film transistor 320, and the third thin film transistor 330.

The substrate 210 may support various constituent elements of the display apparatus 200. The substrate 210 may be made of glass or a plastic material having flexibility. For example, when the substrate 210 is made of a plastic material, the substrate 210 may be made of polyimide (PI). When the substrate 210 is made of polyimide (PI), moisture components may penetrate up to the first thin film transistor 350, the second thin film transistor 320, the third thin film transistor 330 or the light emitting element 400 after emerging from the substrate 210 made of polyimide (PI) and, as such, may degrade performance of the display apparatus.

In order to avoid performance degradation caused by penetration of moisture in the display apparatus 200 according to the exemplary embodiment of the present disclosure, the first metal pattern 610, the second metal pattern 620 and the third metal pattern 630 may be formed on the substrate 210.

權(quán)利要求

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