Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2008-01-24
2010-10-19
Patel, Ashok (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S112000, C313S113000, C445S024000
Reexamination Certificate
active
07816860
ABSTRACT:
A light-emitting device includes a plurality of pixels constituting a screen, each of the pixels including four subpixels, which are a red subpixel, a green subpixel, a blue subpixel, and a remaining subpixel. The red subpixel has a light-emitting layer made of a white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit red light, the white-light-emitting material emitting two-peak white light having an emission spectrum including a valley between a red peak residing in a wavelength range of red light and a blue peak residing in a wavelength range of blue light. The blue subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit blue light. The remaining subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen. The green subpixel has a light-emitting layer made of a green-light-emitting material that emits green light and extending along the screen, and a color filter provided above the light-emitting layer to transmit green light.
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Oliff & Berridg,e PLC
Patel Ashok
Seiko Epson Corporation
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