Patent ID: 11966073
Assignee: SHENZHEN SHENSHAN SPECIAL COOPERATION ZONE HULCHUANGDA ELECTRONIC INTELLIGENT TECHNOLOGY CO., LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC F  H

Claim 6:
7. The reflective four-in-one light-emitting key core module according to claim 1, wherein a composite film is arranged above the light-guiding film, and the thickness of the composite film is 0.020˜0.30 mm, a lower layer of the composite film is provided with white ink, an upper layer of the composite film is provided with black ink, white ink and black ink are not provided at the position of the composite film corresponding to the keycap, or an opening is arranged on the composite film at a position corresponding to the keycap.