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US 8,797,636 B2Granted
Light-enhancing structure for electrophoretic display
AssigneeSiPix Imaging, Inc.
InventorsBo-Ru Yang, Yao-Jen Hsieh
Life of this patent
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Abstract
The present invention is directed to a display device comprising a display fluid layer sandwiched between a first substrate layer and a second substrate layer, and a light-enhancing layer between the display fluid layer and the second substrate layer. The light-enhancing structure can enhance the colors displayed by the display device, especially the colors displayed through lateral switching of the charged pigment particles in an electrophoretic fluid.
Claims8
A display device comprising:
- (a) a display fluid layer comprising micro-containers filled with a display fluid, said display fluid layer is sandwiched between a first substrate layer and a second substrate layer, wherein the first substrate layer is on the viewing side and the second substrate layer comprises electrodes which drive the display fluid laterally;
- and
- (b) a light-enhancing layer between the display fluid layer and the second substrate layer,
- wherein:
- the display fluid is an electrophoretic fluid comprising charged pigment particles dispersed in a solvent or solvent mixture and the display device is capable of showing a color by laterally switching the charged pigment particles, and
- the light-enhancing layer is an array of microlens.
3 more elements
Dependencies are inferred from the claim text.