Blue light compensation film and OLED display
AssigneeTcl China Star Optoelectronics Technology Co., Ltd.
InventorsDongze Li, Lixuan Chen
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Abstract
The present invention provides a blue light compensation film and an OLED display. The blue light compensation film of the present invention effectively absorbs blue light with wavelength longer than blue wavelength and excite blue light by using a blue light upconversion luminescent material, and effectively improves color shift white OLED device caused by short lifespan of blue electroluminescent material to achieve blue light compensation of the white OLED device and solve the of yellowing in traditional OLED display with age. The OLED display of the present invention comprises the blue light compensation film to avoid color shift problem and provides good display quality.
Claims8
A blue light compensation film, which comprises, from a bottom up in a stack, an adhesive layer, a first transparent film, and a second transparent film;
- the blue light compensation film satisfying following condition:
- a gap between the adhesive layer and the first transparent film being provided with a blue light upconversion luminescent material;
- the blue light upconversion luminescent material comprising at least one of an upconversion organic luminescent material based on a triplet-triplet annihilation and a host material doped with a rare earth ion;
- the blue light upconversion luminescent material being capable of absorbing light with wavelength greater than a blue light wavelength and converting to blue light.
Dependencies are inferred from the claim text.