Lighting device
First Claim
1. A lighting device, comprising:
- a light guide plate comprising a light incident part in an end face and a light radiation part perpendicular to the light incident part in a flat plate surface;
a light source part opposed to the light incident part;
a light shield member covering an area near the light incident part on the flat plate surface of the light guide plate and preventing the passage of light from the light source part; and
a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob,wherein an end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member,wherein the radiation part extends away from the end wall of the switch main body, such that light is emitted through an area adjacent to an end wall of the switch part,and wherein the entire end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing a center of the switch main body and perpendicular to the flat plate surface of the light guide plate.
1 Assignment
0 Petitions
Accused Products
Abstract
A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate.
14 Citations
19 Claims
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1. A lighting device, comprising:
- a light guide plate comprising a light incident part in an end face and a light radiation part perpendicular to the light incident part in a flat plate surface;
a light source part opposed to the light incident part; a light shield member covering an area near the light incident part on the flat plate surface of the light guide plate and preventing the passage of light from the light source part; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob, wherein an end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, wherein the radiation part extends away from the end wall of the switch main body, such that light is emitted through an area adjacent to an end wall of the switch part, and wherein the entire end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing a center of the switch main body and perpendicular to the flat plate surface of the light guide plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- a light guide plate comprising a light incident part in an end face and a light radiation part perpendicular to the light incident part in a flat plate surface;
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15. A lighting device, comprising:
- light guide plate comprising a light incident part in an end surface and a light radiation part, comprising a flat plate surface that extends from the end surface of the light incident part, wherein the light radiation part is perpendicular to the light incident part;
a light source part opposed to the light incident part;a light shield member covering an area of the flat plate surface that is located near the end surface of the light incident part and preventing light the passage of light from the light source part; and a switch part including a switch main body, a switch knob, and a pressing member connected to the switch knob to press the switch main body by pressing the switch knob, wherein an end part of the switch knob, opposed to a center of the flat plate surface of the light guide plate, is located on the light shield member; wherein the radiation part extends away from the end wall of the switch part, such that light is emitted through an area adjacent to the end wall of the switch part, wherein the entire end surface of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing a center of the switch main body and perpendicular to the flat plate surface of the light guide plate. - View Dependent Claims (16, 17, 18, 19)
- light guide plate comprising a light incident part in an end surface and a light radiation part, comprising a flat plate surface that extends from the end surface of the light incident part, wherein the light radiation part is perpendicular to the light incident part;
Specification