Display stack-up for a mobile electronic device having internal and external displays
First Claim
Patent Images
1. A display stack-up comprising:
- an internal display device;
a backlight unit being capable of providing illumination to the internal display device; and
an external display device having bi-stable optical states, said states including a transmissive optical state and a reflective optical state, wherein the external display device is placed between the backlight unit and the internal display device.
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Abstract
A display stack-up (300) is provided for a mobile electronic device (100) having an internal and external display, for example, a clamshell style mobile phone. The display stack-up comprises a backlight unit (114) and an external display device (110) having bi-stable optical states. The external display device (110) is placed in contact with, and is optically coupled to, the backlight unit (114). The display stack-up further comprises an internal display device (106) which is placed in contact with, and is optically coupled to, the external display device (110).
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Citations
16 Claims
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1. A display stack-up comprising:
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an internal display device; a backlight unit being capable of providing illumination to the internal display device; and an external display device having bi-stable optical states, said states including a transmissive optical state and a reflective optical state, wherein the external display device is placed between the backlight unit and the internal display device. - View Dependent Claims (2, 3, 4, 5)
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6. A mobile electronic device comprising:
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an internal display device; a backlight unit being capable of providing illumination to the internal display device; an external display device having a bi-stable optical property, said external display device positioned between said backlight unit and said internal display device; and a control component coupled to said internal display device, said external display device, and said backlight. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification