A viewing angle switchable display device can include a display panel including first, second, and third sub-pixels, each of the first, second, and third sub-pixels having a first emission area and a second emission area spaced apart from the first emission area; and a lens layer disposed over the display panel and including a first type of lens corresponding to the first emission area and a second type of lens corresponding to the second emission area, in which the first type of lens has a different shape than the second type of lens. Also, the display panel is configured to display an image according to a wide view mode via the first emission area and the first type of lens, and display the image according to a narrow view mode via the second emission area and the second type of lens.

A display device with a switchable viewing angle includes a timing controller to generate an image data, a data control signal, and a gate control signal, a data driver to generate a data signal using the image data and the data control signal, a gate driver to generate a gate signal and first to third emission signals using the gate control signal, and a display panel including a plurality of subpixels to display an image using the data signal, the gate signal, and the first to third emission signals. The gate driver includes a gate signal generator to generate the gate signal, first emission signal generator to generate the first emission signal, and second and third emission signal generators to generate the second and third emission signals, respectively, using input and output signals of the gate signal generator and input and output signals of the first emission signal generator.

A display apparatus includes a substrate including a display area, a camera hole, and a non-display area, a light-emitting element disposed in the display area, a gate driver disposed in the non-display area, and an initialization signal line disposed in the display area, wherein the display area includes left and right display areas with respect to the camera hole, and an array pixel area, and the initialization signal line is disposed in each of the left display area and the right display area.

A display device that includes a plurality of pixels arranged in a row direction and a column direction crossing the row direction. The display device includes a first substrate including light-emitting elements each disposed in the respective pixels. A second substrate faces the first substrate. A plurality of optical patterns are disposed on the second substrate in pixel columns, respectively, and extend along the column direction. Light-blocking patterns are disposed on the second substrate. The light-blocking patterns include a main light-blocking pattern extending along pixel column boundaries and fill spaces between adjacent optical patterns, and a subsidiary light-blocking pattern disposed on the optical patterns at pixel row boundaries and having a thickness smaller than a thickness of the main light-blocking pattern.

What is disclosed is structures and methods to integrate microdevices into system or receiver substrates. The integration of microdevices is facilitated by adding staging pads to microdevices before or after transferring. Creating stages after the transfer of a first microdevice to a substrate for the subsequent microdevice transfer to the first (or the second) microdevice transfer. The stage improves the surface profile of the substrate so that next microdevice can be transferred without the first microdevice on the substrate get damaged by or interfere with the surface of the donor or transfer head. Some embodiments further relate to tiled display device and more particularly, to stacking tiles to a backplane to form the tiled display device.

An organic light emitting display panel capable of achieving an enhancement in brightness through addition of a white subpixel constituted by a stack structure is discussed. The organic light emitting display panel can include a plurality of data lines and a plurality of scan lines intersecting each other, and unit pixels disposed in the form of a matrix so that each of the unit pixels is disposed in a region where one scan line intersects five data lines. Each of the unit pixels can include white, red, green and blue subpixels, and the white subpixel can include three stacked emission material layers.

A stereoscopic image display device includes a stereoscopic image display panel that includes a plurality of left-eye subpixels configured to display a left-eye image, a plurality of right-eye subpixels configured to display a right-eye image, and a bank layer disposed at an interface between light-emitting regions of the subpixels, wherein the light-emitting region of each subpixel has a saw-toothed shape that remedies left-right luminance scattering of a stereoscopic image and implementing 2D and 3D with a single display panel.

Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks and a phosphorescent stack including at least a yellowish green emission layer and a green emission layer, a cathode provided on the emission unit, a red filter and a color conversion layer provided between the substrate and the first anode, a green filter provided between the substrate and the second anode, and a blue filter provided between the substrate and the third anode, wherein the first anode has a first thickness, and at least one of the second to fourth anodes has a second thickness greater than the thickness of the first anode.

Disclosed is a display device including a substrate at an exit side, first to third color subpixels provided on the substrate, each of the color subpixels having a thin film transistor, first to third color filters provided respectively at the first to third color subpixels, first to third anodes provided respectively on the first to third color filters so as to be connected to the thin film transistors, an emission unit commonly provided at the first to third color subpixels on the first to third anodes, the emission unit including at least two blue fluorescent stacks and two phosphorescent stacks, and a cathode provided on the emission unit, wherein the first to third color subpixels constitute a basic unit, and a third color subpixel of an n-th basic unit neighbors a first color subpixel of an (n+1)-th basic unit in the same row or column on the substrate.

A display device including a plurality of pixels disposed on a substrate, wherein each pixel includes a first subpixel, a second subpixel adjacent to the first subpixel, and a third subpixel adjacent to the second subpixel. Further, each of the first subpixel and the third subpixel include a single light emitting diode corresponding to a single light emission region, and the second subpixel includes a first light emitting diode corresponding to a first sub-emission region, and a second light emitting diode corresponding to a second sub-emission region. The display device also includes a controller configured to control only the first light emitting diode of the second subpixel to emit light during a low gray level mode, and control the first light emitting diode and the second light emitting diode of the second subpixel to both emit light in a high gray level mode.