摘要:
A laser irradiation device and a method of fabricating an OLED having an increased laser efficiency. The laser irradiation device includes: a light source to produce a laser beam; a collimation lens disposed adjacent to the light source; and an asymmetrical micro lens array disposed adjacent to the collimation lens. The method includes: providing a substrate having a first electrode; providing a donor substrate for laser transfer, including a sequentially stacked a base layer, a light-to-heat conversion layer, and a transfer layer; disposing the donor substrate on the substrate so that the transfer layer faces the substrate; and irradiating a predetermined region of the base layer using a laser irradiation device having a light source, a collimation lens, and an asymmetrical micro lens array, to transfer the transfer layer onto the substrate, and forming an organic layer pattern on the substrate.
摘要:
Provided are a resin composition for an optical film including an alkyl(meth)acrylate unit, a benzyl(meth)acrylate unit, a (meth)acrylic acid unit, and a unit expressed by Chemical Formula I, an optical film, a polarizing plate, and an image display device using the resin composition.
摘要:
The present invention provides an optical film and s retardation film characterized in that each of them includes: an acrylic resin; and 20-65 parts by weight of at least two graft copolymers containing a conjugated diene-based rubber, based on 100 parts by weight of the acrylic resin, wherein at least two of the graft copolymers have different particle sizes. The present invention also provides a production method therefore.
摘要:
Provided are a resin composition for an optical film including an alkyl(meth)acrylate unit, a benzyl(meth)acrylate unit, a (meth)acrylic acid unit, and a unit expressed by Chemical Formula I, an optical film, a polarizing plate, and an image display device using the resin composition.
摘要:
Provided is a method of preparing a resin composition for an optical film. The method includes forming a four-component copolymer by reacting an alkyl(meth)acrylate-based monomer, an acrylate-based monomer containing a benzene ring, and a (meth)acrylic acid monomer by using a continuous bulk polymerization method; and forming a resin composition for an optical film by removing unreacted monomer and solvent from a reaction product in a devolatilizer.
摘要:
Provided is an acrylic copolymer comprising; an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same.
摘要:
An organic light emitting diode (OLED) display apparatus, including a substrate, at least one thin film transistor (TFT) on the substrate, an insulating layer covering the at least one TFT and having a via hole and a groove, a first electrode on the insulating layer and electrically connected to the at least one TFT through the via hole, a pixel define layer on the first electrode and the groove, the pixel define layer having an opening that exposes the first electrode; an intermediate layer electrically connected to the first electrode through the opening, the intermediate layer including an organic emissive layer, and a second electrode on the intermediate layer. The organic emissive layer may be easily formed in the opening because a step between the organic emissive layer and the pixel define layer may be reduced as a portion of pixel define layer fills the groove.
摘要:
The present invention relates to acryl-based copolymers including an alkyl(meth)acrylate-based monomer; a (meth)acrylate-based monomer containing an aromatic ring; and a maleimide-based monomer, a resin composition including the same, and an optical film prepared by using the same.
摘要:
A thin film transistor (TFT) and an organic light emitting diode (OLED) display device. The TFT and the OLED display device include a substrate, a buffer layer disposed on the substrate, a semiconductor layer disposed on the buffer layer, a gate electrode insulated from the semiconductor layer, a gate insulating layer insulating the semiconductor layer from the gate electrode, and source and drain electrodes insulated from the gate electrode and partially connected to the semiconductor layer, wherein the semiconductor layer is formed from a polycrystalline silicon layer crystallized by a metal catalyst and the metal catalyst is removed by gettering using an etchant. In addition, the OLED display device includes an insulating layer disposed on the entire surface of the substrate, a first electrode disposed on the insulating layer and electrically connected to one of the source and drain electrodes, an organic layer, and a second electrode.
摘要:
Disclosed is a low power and high density source driver and a current driven active matrix organic electroluminescent device having the same, in which all elements operate at a normal voltage and all circuits of the source driver are shielded from a high voltage of a panel. The source driver includes: a shift register for generating an enable signal for storing data; a data latch circuit for storing digital data inputted from an exterior; a line latch circuit for sequentially storing the data in response to the enable signal and outputting the stored data in parallel at one time in response to a load signal; a current type digital-to-analog converter for converting the digital data outputted from the line latch circuit into an analog signal, the analog signal being outputted in a form of a current signal; and a high voltage shield circuit for transferring the output of the current digital-to-analog converter to source lines of an external panel and for shielding internal circuits from a high voltage of the panel. The shift register, the data latch circuit, the line latch circuit, the current type digital-to-analog converter and the high voltage shield circuit are driven at a normal voltage.