US 12,235,686 B2
Keyboard unit including hole in light-emitting module and electronic apparatus including the same
Kentaro Nagase, Yokohama (JP); and Satoshi Douzono, Yokohama (JP)
Assigned to LENOVO (SINGAPORE) PTE. LTD., Singapore (SG)
Filed by LENOVO (SINGAPORE) PTE. LTD., Singapore (SG)
Filed on Dec. 20, 2023, as Appl. No. 18/390,560.
Application 18/390,560 is a continuation of application No. 18/184,372, filed on Mar. 15, 2023, granted, now 12,055,749.
Claims priority of application No. 202271708 (JP), filed on Apr. 25, 2022.
Prior Publication US 2024/0118479 A1, Apr. 11, 2024
Int. Cl. F21V 8/00 (2006.01); G06F 1/16 (2006.01); G06F 3/02 (2006.01); H01H 13/02 (2006.01); H01H 13/70 (2006.01)
CPC G06F 1/1662 (2013.01) [G02B 6/0055 (2013.01); G02B 6/0088 (2013.01); G06F 1/1616 (2013.01); G06F 3/02 (2013.01); H01H 13/023 (2013.01); H01H 13/70 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A keyboard unit comprising:
a plurality of keytops;
a baseplate supporting the plurality of keytops; and
a light-emitting module having a light guide plate, a first flexible sheet covering a first surface of the light guide plate, and a second flexible sheet covering a second surface of the light guide plate opposite to the first surface of the light guide plate, wherein
the light-emitting module is disposed on the baseplate such that the first flexible sheet is between the baseplate and the light guide plate,
a hole is in the light-emitting module through the light guide plate, the first flexible sheet, and the second flexible sheet, and
at a periphery of the hole, the second flexible sheet is fixed to the baseplate to form a continuous barrier from the second surface of the light guide plate to the baseplate.