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US 12,457,850 B2Granted
Display device and manufacturing method thereof
AssigneeSamsung Display Co., Ltd.
InventorsJae Min Shin, Seung Bae Kang, Jong Ho Hong, Gun Mo Kim, Min Woo Kim, Won Sang Park, Hye Jin Joo
Life of this patent
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Abstract
A display device includes a plurality of islands and a bridge connecting the plurality of islands to each other. Each of the plurality of islands includes a flexible substrate, a thin film transistor positioned on a first surface of the flexible substrate, a first electrode connected to the thin film transistor, and a protective mask positioned on a second surface of the flexible substrate.
Claims16
A manufacturing method of a display device, comprising:
- forming an auxiliary flexible substrate;
- forming a protective mask on the auxiliary flexible substrate;
- forming a preliminary flexible substrate on the auxiliary flexible substrate and the protective mask, the preliminary flexible substrate directly contacting a top surface of the protective mask and a top surface of the auxiliary flexible substrate on opposite side surfaces of the protective mask;
- forming a thin film transistor and a first electrode connected to the thin film transistor on the preliminary flexible substrate;
- and
- patterning the auxiliary flexible substrate and the preliminary flexible substrate by using the protective mask to form a final flexible substrate.
3 more elements
A manufacturing method of a display device, comprising:
- forming an auxiliary flexible substrate;
- forming a protective mask on a first surface of the auxiliary flexible substrate;
- forming a preliminary flexible substrate on the first surface of the auxiliary flexible substrate and the protective mask so that the preliminary flexible substrate covers the protective mask, directly contacts the first surface of the protective mask, and directly contacts the first surface of the auxiliary flexible substrate on opposite side surfaces of the protective mask;
- forming a pixel portion on the preliminary flexible substrate;
- and
- performing an etching process on a second surface of the auxiliary flexible substrate to form a final flexible substrate having a lateral surface in a reverse tapered shape,
- wherein the second surface of the auxiliary flexible substrate is opposite to the first surface of the auxiliary flexible substrate.
4 more elements
Dependencies are inferred from the claim text.