# US 2013/0158153 A1 · Thermal transfer film > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0158153 A1 - Document ID: US20130158153A1 - Status: Published application - Kind: A1 - Application number: 13/714,632 - Filed: 2012-12-14 - Published: 2013-06-20 - Earliest claimed: 2011-12-16 - Assignees: Cheil Industries Inc. - Inventors: Si Kyun PARK; Se Hyun PARK; Jung Hyo LEE; Hyoung Tae LIM; Seong Heun CHO; Kyoung Ku KANG - Web page: https://patentgrep.com/patent/US20130158153A1 ## CPC - B41M 5/42: Intermediate, {backcoat}, or covering layers {(B41M5/405 takes precedence; multilayer thermal transfer systems in general B41M5/38214)} - B41M 5/38242: {characterised by the use of different kinds of energy to effect transfer, e.g. heat and light} - B41M 5/465: {Infrared radiation-absorbing materials, e.g. dyes, metals, silicates, C black} - C09D 133/00: Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers - C09D 133/04: Homopolymers or copolymers of esters {(C09D143/04 takes precedence)} - B41M 2205/30: Thermal donors, e.g. thermal ribbons - B41M 2205/38: Intermediate layers; Layers between substrate and imaging layer - B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites - Y10S 977/773: Nanoparticle, i.e. structure having three dimensions of 100 nm or less - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract A thermal transfer film and a method of manufacturing an OLED display, the thermal transfer film including a light to heat conversion layer, the light to heat conversion layer being formed of a composition including carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm; and a binder. ## Claims ### Claim 1 A thermal transfer film comprising a light to heat conversion layer, the light to heat conversion layer being formed of a composition including: carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm; and a binder. ### Claim 2 (depends on 1) The thermal transfer film as claimed in claim 1, wherein the carbon black is present in the light to heat conversion layer in an amount of about 0.1 wt % to about 40 wt %, based on a total solid content of the light to heat conversion layer. ### Claim 3 (depends on 1) The thermal transfer film according as claimed in claim 1, wherein the binder includes a curable resin, a polyfunctional monomer, or a mixture thereof. ### Claim 4 (depends on 1) The thermal transfer film as claimed in claim 1, wherein the binder is present in the composition in an amount of about 45 wt % to about 99.8 wt %, based on a total solid content of the composition. ### Claim 5 (depends on 1) The thermal transfer film as claimed in claim 1, wherein the composition further includes a photo initiator. ### Claim 6 (depends on 1) The thermal transfer film as claimed in claim 1, wherein the light to heat conversion layer further includes a dispersant. ### Claim 7 (depends on 1) The thermal transfer film as claimed in claim 1, wherein the light to heat conversion layer further includes a dye, a pigment, or a mixture thereof. ### Claim 8 A thermal transfer film, comprising: a base film; a light to heat conversion layer stacked on the base film, the light to heat conversion layer being formed of a composition including: carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm, and a binder, and a transfer layer stacked on the light to heat conversion layer. ### Claim 9 A thermal transfer film, comprising: a base film; a light to heat conversion layer stacked on the base film, the light to heat conversion layer being formed of a composition including: carbon black having an oil absorption number (OAN) of about 50 cc/100 gram to about 120 cc/100 gram and a mean particle size of about 40 nm to about 200 nm, and a binder, an interlayer stacked on the light to heat conversion layer; and a transfer layer stacked on the interlayer. ### Claim 10 (depends on 1) A method of manufacturing an OLED display, the method comprising using the thermal transfer film as claimed in claim 1 to transfer a donor film.