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US 9,312,490 B2Granted
Photothermal conversion film having good visible light penetrability, and transfer film for OLED using same
AssigneeLG Hausys, Ltd.
InventorsTae-Yi Choi, Jang-Soon Kim, Sang-Hwan Kim, Myung-Hyun Jo, Dai-Hyun Kim
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Abstract
Disclosed are a photothermal conversion film having good photothermal conversion effects and also good visible light penetrability, and a transfer film for an OLED using same. The photothermal conversion film according to the present invention comprises a base film and a photothermal conversion layer formed on the base film, wherein the photothermal conversion layer includes a tungsten oxide-based material and has visible light penetrability of 20% or greater.
Claims16
A photothermal conversion film comprising:
- a base film;
- and
- a photothermal conversion layer formed on the base film,
- wherein the photothermal conversion layer comprises a tungsten oxide-based material and has a visible light transmittance of 20% or more, and
- wherein the photothermal conversion layer comprises 0.1 parts by weight to 5 parts by weight of a photoinitiator, based on 100 parts by weight of the tungsten oxide-based material.
2 more elements
A transfer film for OLEDs, comprising:
- a base film;
- a photothermal conversion layer formed on the base film;
- and
- an organic light emitting material layer formed on the photothermal conversion layer,
- wherein the photothermal conversion layer comprises a tungsten oxide-based material and has a visible light transmittance of 20% or more, and
- wherein the photothermal conversion layer comprises 0.1 parts by weight to 5 parts by weight of a photoinitiator, based on 100 parts by weight of the tungsten oxide-based material.
3 more elements
Dependencies are inferred from the claim text.