US 12,488,717 B2
Mending method for display
Tsan-Jen Chen, Tainan (TW); Chih-Hao Tsai, Tainan (TW); Yu-Cheng Yang, Tainan (TW); Jen-Hung Lo, Tainan (TW); and Yan-Ru Tsai, Tainan (TW)
Assigned to CONTREL TECHNOLOGY CO., LTD., Tainan (TW)
Filed by CONTREL TECHNOLOGY CO., LTD., Tainan (TW)
Filed on Oct. 5, 2023, as Appl. No. 18/481,409.
Claims priority of application No. 111138248 (TW), filed on Oct. 7, 2022.
Prior Publication US 2024/0119875 A1, Apr. 11, 2024
Int. Cl. G09G 3/00 (2006.01); H01L 25/075 (2006.01); H10H 29/14 (2025.01)
CPC G09G 3/006 (2013.01) [H01L 25/0753 (2013.01); H10H 29/142 (2025.01); G09G 2300/026 (2013.01); G09G 2330/12 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A mending method for a display, the mending method comprising: making a display device emit light, the display device comprising a plurality of light emitting surfaces arranged adjacent to each other, every said light emitting surface comprising a plurality of light emitting positions;
searching out a plurality of defect positions, the plurality of defect positions representing those not emitting light among the plurality of light emitting positions of the plurality of light emitting surfaces;
providing a transferring device comprising a transferring surface and a plurality of miniature light emitting elements attached to the transferring surface, positions of the plurality of miniature light emitting elements corresponding to the plurality of light emitting positions;
planning a mending procedure, the mending procedure comprising in an area the transferring surface corresponds to, identifying the largest number of said defect positions able to be mended at a single time according to the positions of the plurality of miniature light emitting elements, and then in the area the transferring surface corresponds to, planning the rest of the plurality of defect positions according to the rest of the plurality of miniature light emitting elements; and
according to the mending procedure, moving the transferring device to make the plurality of miniature light emitting elements welded at the plurality of defect positions;
wherein the transferring surface and any one of the light emitting surfaces of the display device are equal in area.