In one embodiment, a display device comprises: a substrate including an emissive area that emits light and a non-emissive area that does not emit light; a transistor over the substrate; a light emitting device over the transistor, the light emitting device including a first electrode, a light emitting layer on the first electrode, and a second electrode on the light emitting layer; a contact hole in the emissive area of the substrate, the contact hole positioned between the transistor and the light emitting device; and an auxiliary electrode in the contact hole, the auxiliary electrode electrically connecting together the first electrode of the light emitting device and the transistor.

An active-matrix touchscreen includes a substrate, a system controller, and a plurality of spatially separated independent touch elements disposed on the substrate. Each touch element includes a touch sensor and a touch controller circuit that provides one or more sensor-control signals to the touch sensor and receives a sense signal responsive to the sensor-control signals from the touch sensor. Each touch sensor operates independently of any other touch sensor.

An organic light-emitting display apparatus, including: a first electrode disposed on the substrate; a pixel defining layer covering an edge of the first electrode; a residual layer disposed on the first electrode and the pixel defining layer, the residual layer comprising a fluoropolymer; a first organic functional layer comprising a first light emitting layer disposed on the residual layer on the first electrode; and a second electrode disposed on the first organic functional layer.

Provided are an optical member for enhancing luminance and an organic light-emitting display device having the same. An optical member includes: a linear polarizer, a blue cholesteric liquid crystal (CLC) layer configured to transmit light, the light having only one of: a left-handed circularly polarized light component and a right-handed circularly polarized light component, and a quarter wave plate configured to convert the transmitted light, having the left-handed circularly polarized light component or right-handed circularly polarized light component, into linear polarized light, wherein the blue cholesteric liquid crystal (CLC) layer and the quarter wave plate are located on a same side of the linear polarizer.

An organic light emitting display device includes a plurality of pixels each having a pixel driving circuit. Each of the pixels includes an organic light emitting diode and a driving TFT that controls driving of the organic light emitting diode and includes an active layer of low temperature poly-silicon, a gate node, a source node, and a drain node. The pixels include first to fifth switching TFTs electrically connected to the driving TFT and each including an active layer of an oxide semiconductor, a gate node, a source node, and a drain node. Further, the pixels include a storage capacitor connected between the gate node of the driving TFT and the source node of the fifth switching TFT and a coupling capacitor electrically connected in series to the storage capacitor and configured to cause capacitive coupling to supply a bootstrapped voltage to the gate node of the driving TFT.

Provided is a display device. The display device includes a first substrate including a first base layer, a circuit layer disposed on the first base layer, and a light emitting layer disposed on the circuit layer, a second substrate including a top surface and a bottom surface and in which a plurality of grooves arranged in a first direction are defined in the bottom surface, the second substrate being disposed on the first substrate, and a plurality of light blocking members disposed on the plurality of grooves to control propagation direction of light outputted from the light emitting layer.

An optoelectronic device includes a flexible organic light-emitting diode having a main extension plane, a first retaining element having a first major surface formed in accordance with a bent surface, and a second retaining element, wherein the OLED is arranged between the first retaining element and the second retaining element, and the OLED is mechanically fixed by the first retaining element and/or the second retaining element such that the main extension plane of the OLED is formed in accordance with the bent surface.

A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.

Methods for forming an OLED device are described. An encapsulation structure having organic buffer layer sandwiched between barrier layers is deposited over an OLED structure. The buffer layer is formed with a fluorine-containing plasma. The second barrier layer is then deposited over the buffer layer. Additionally, to ensure good adhesion, a buffer adhesion layer is formed between the buffer layer and the first barrier layer. Finally, to ensure good transmittance, a stress reduction layer is deposited between the buffer layer and the second barrier layer.

A display device includes a first substrate including an active area, a bending area, and a pad area; a plurality of pixels to display an image in the active area, each of the plurality of pixels including an organic light emitting diode (OLED); a signal line and a power line disposed on the first substrate, the signal line and the power ling being disposed on a same layer in the bending area, the bending area on the first substrate being configured to be bent flexibly; and a second substrate facing the active area and disposed on the first substrate.