US 12,354,567 B2
Driving method of display panel, display panel, and display device
Yao Li, Shenzhen (CN); and Junfeng Xie, Shenzhen (CN)
Assigned to HKC CORPORATION LIMITED, Shenzhen (CN)
Filed by HKC CORPORATION LIMITED, Shenzhen (CN)
Filed on Apr. 10, 2024, as Appl. No. 18/631,066.
Claims priority of application No. 202310785740.X (CN), filed on Jun. 29, 2023.
Prior Publication US 2025/0006152 A1, Jan. 2, 2025
Int. Cl. G09G 3/38 (2006.01); G02F 1/163 (2006.01); G09G 3/00 (2006.01); H10K 59/50 (2023.01); H10K 59/80 (2023.01); G09G 3/3208 (2016.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01)
CPC G09G 3/38 (2013.01) [G02F 1/163 (2013.01); G09G 3/035 (2020.08); H10K 59/50 (2023.02); H10K 59/80515 (2023.02); H10K 59/8792 (2023.02); G09G 3/3208 (2013.01); G09G 2300/046 (2013.01); G09G 2300/0465 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0295 (2013.01); H10K 77/111 (2023.02); H10K 2102/311 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A driving method of a display panel, the display panel comprising an organic light-emitting layer and a light filter disposed on a light exit surface of the organic light-emitting layer; wherein corresponding to each pixel area, the light filter comprises a color filter, and a first electrochromic layer and a second electrochromic layer disposed respectively on both sides of the color filter; wherein the driving method comprises:
detecting a current state of the display panel; in response to detecting that the current state is a stretched state, controlling the first electrochromic layer and the second electrochromic layer to each become a filter layer having an identical color with that of the corresponding color filter; and in response to detecting that the current state is an unstretched state, controlling the first electrochromic layer and the second electrochromic layer to become opaque;
wherein there is disposed a color-changing material in the first electrochromic layer that is identical with a color-changing material in the second electrochromic layer, and wherein both the color-changing material in the first electrochromic layer and the color-changing material in the second electrochromic layer are each operative to be changed into an identical color with that of the respective color filter or into a black color or transparent under the action of an electric field.