Dual-display module with a tunable mirror sheet
View Patent ↗A dual-display module has a first display, a second display opposing the first display, and a backlight module disposed between the first display and the second display. The backlight module has at least one tunable mirror sheet, whereby one side display can be on a mirror-like state at the same time when the other side display is in an active operation state.
1. A dual-display module comprising:
a first display;
a second display;
a light source; and
at least one tunable mirror sheet disposed between the first display and the second display, the tunable mirror sheet selectively reflecting light from the light source or allowing the light to pass through.
2. The dual-display module of claim 1 , further comprising a light-guide plate coupled to the light source and being disposed between the first and second displays, wherein the tunable mirror sheet being disposed between the light-guide plate and either the first or second displays.
3. The dual-display module of claim 1 , wherein the tunable mirror sheet includes a pair of substrates and a liquid crystal layer disposed therebetween.
4. The dual-display module of claim 1 , wherein the tunable mirror sheet includes a substrate, a switching layer, a palladium layer, a solid-state electrolyte layer and a transparent electrode layer.
5. The dual-display module of claim 1 , further comprising:
a light-guide plate coupled to the light source and disposed between the first and second displays;
a first tunable mirror disposed between the first display and the light-guide plate; and
a second tunable mirror disposed between the second display and the light-guide plate.
6. The dual-display module as claimed in claim 5 , further comprising:
a first optical-film structure comprising at least a first prism sheet and a first diffusion sheet and disposed between the light-guide plate and the first display; and
a second optical-film structure comprising at least a second prism sheet and a second diffusion sheet and disposed between the light-guide plate and the second display.
7. The dual-display module as claimed in claim 5 , wherein:
when the first display is turned on for image display, the first tunable mirror sheet acts a transparent sheet and the second tunable mirror sheet is a reflector; and
when the second display is turned on for image display, the first tunable mirror sheet acts a reflector and the second tunable mirror sheet is a transparent sheet.
8. The dual-display panel module as claimed in claim 1 , wherein the first display is a liquid crystal display.
9. The dual-display panel module as claimed in claim 1 , wherein the second display is a liquid crystal display.
10. An electronic device, comprising:
a dual-display module comprising:
a first display;
a second display;
a light source; and
at least one tunable mirror sheet disposed between the first display and the second display, the tunable mirror sheet selectively reflecting light from the light source or allowing the light to pass through; and
a controller for controlling the tunable mirror sheet to either reflect the light or allow the light to pass through.
11. The electronic device of claim 10 , further comprising a light-guide plate coupled to the light source and being disposed between the first and second displays, wherein the tunable mirror sheet being disposed between the light-guide plate and either the first or second displays.
12. The electronic device of claim 10 , wherein the tunable mirror sheet includes a pair of substrates and a liquid crystal layer disposed therebetween.
13. The electronic device of claim 10 , wherein the tunable mirror sheet includes a substrate, a switching layer, a palladium layer, a solid-state electrolyte layer and a transparent electrode layer.
14. The electronic device of claim 10 , further comprising:
a light-guide plate coupled to the light source and disposed between the first and second displays;
a first tunable mirror disposed between the first display and the light-guide plate; and
a second tunable mirror disposed between the second display and the light-guide plate.
15. The electronic device as claimed in claim 14 , further comprising:
a first optical-film structure comprising at least a first prism sheet and a first diffusion sheet and disposed between the light-guide plate and the first display; and
a second optical-film structure comprising at least a second prism sheet and a second diffusion sheet and disposed between the light-guide plate and the second display.
16. The electronic device as claimed in claim 14 , wherein:
when the first display is turned on for image display, the first tunable mirror sheet acts a transparent sheet and the second tunable mirror sheet is a reflector; and
when the second display is turned on for image display, the first tunable mirror sheet acts a reflector and the second tunable mirror sheet is a transparent sheet.
17. The electronic device as claimed in claim 10 , wherein the first display is a liquid crystal display.
18. The electronic device as claimed in claim 10 , wherein the second display is a liquid crystal display.