Patent ID: 9730319
Date: 2017-08-08
CPC Classifications: G02F,H05K

Claim:
1. A printed circuit board, comprising: a support substrate including a first region in which light emitting elements are mounted, a second region that extends from the first region, and a bending portion between the first region and the second region; an insulating substrate on the support substrate; wiring portions on the insulating substrate; a protective layer on a first section of the wiring portions at the bending portion; and a protective laminated layer portion on a second section of the wiring portions away from the bending portion, wherein the bending portion includes a plurality of bending holes provided at regular intervals between the wiring portions in the bending portion, and wherein the protective layer is formed from a first material that differs from a second material forming the protective laminated layer portion, and the first material forming the protective layer is more flexible than the second material forming the protective laminated layer portion.