Abstract: An organic light emitting element including: a first electrode; a bump partially covering an end of the first electrode and having an island shape, which has a thickness larger than a thickness of the first electrode; an organic emission layer on the first electrode and the bump; and a second electrode on the organic emission layer.

Abstract: A display apparatus capable of implementing high luminance and high contrast ratio (C/R) may include a first substrate, a second substrate disposed on the first substrate so as to face the first substrate and having a plurality of pixel regions defined therein, and a plurality of color filters formed on the plurality of pixel regions of the second substrate, each color filter having one or more holes formed therein.

Abstract: An electrophoretic display device comprises: a first substrate including a first electrode; a first insulation layer provided on the first electrode; a fluid layer provided on the first insulation layer and having fluid and charged particles; a second substrate facing the first substrate with the fluid layer therebetween and including a second electrode facing the first electrode; and a second insulation layer provided between the second electrode and the fluid layer and facing the first insulation layer.

Abstract: A flat panel display apparatus includes a first substrate; a second substrate disposed facing the first substrate, barrier walls disposed between the first substrate and the second substrate and partitioning unit pixels, first electrodes disposed on a surface of the first substrate facing the second substrate and located in the respective unit pixels, black matrices disposed on the surface of the second substrate facing the first substrate and corresponding to the barrier walls, second electrodes disposed in regions corresponding to the black matrices between the first substrate and the second substrate, and an electrophoretic dispersion solution disposed in the unit pixels and comprising charged pigment particles and a fluid in which the charged pigment particles are dispersed.

Abstract: An organic light emitting display device may include a substrate having a switching device, a first electrode including a reflection structure and being electrically connected to the switching device, a pixel defining layer disposed on the first electrode to define a luminescent region and a nonluminescent region, an organic light emitting structure disposed over the pixel defining layer, and a second electrode disposed over the organic light emitting structure. The first electrode may include the reflection structure such as a recess structure or a protrusion structure, so that the organic light emitting display device may ensure an enhanced light efficiency. Additionally, pixels of the organic light emitting display device may have improved uniformity because an opening of the pixel defining layer may have a rounded shape.

Abstract: A display apparatus may include a first substrate having one or more unit pixel regions defined and including a driving thin film transistor, a second substrate disposed on the first substrate and facing the first substrate, and a color absorbing layer disposed on the first substrate.

Abstract: A display apparatus capable of implementing high luminance and high contrast ratio (C/R) may include a first substrate, a second substrate disposed on the first substrate so as to face the first substrate and having a plurality of pixel regions defined therein, and a plurality of color filters formed on the plurality of pixel regions of the second substrate, each color filter having one or more holes formed therein.

Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.

Abstract: An electrophoretic display device includes a first display substrate (including a base substrate, a first electrode, and a second electrode), a second display substrate (including a third electrode facing the first and second electrodes), and an electrophoretic layer between the first display substrate and the second display substrate, the electrophoretic layer including a first charged particle, a second charged particle and a colored solvent (the first and second charged particles having different polarities from each other and the colored solvent having a chromatic color).

Abstract: An electrophoretic display apparatus and a method of driving the same. Gradation display using pulse amplitude modulation (PAM) may be achieved using a gate pulse having a pulse width and a voltage level that are set not to fully charge a parasitic capacitance component of a switching transistor included in each pixel.

Abstract: An electrophoretic display apparatus and a method of controlling the same. The electrophoretic display apparatus includes an electrophoretic cell including a lower electrode and in-plane electrodes, wherein the lower electrode and the in-plane electrodes are connected to same data line and receive data voltages in response to other gate signals. According to embodiments of the present invention, the number of channels in a data driving unit may be decreased by a few times.

Abstract: An electrophoretic display device comprises: a first substrate including a first electrode; a first insulation layer provided on the first electrode; a fluid layer provided on the first insulation layer and having fluid and charged particles; a second substrate facing the first substrate with the fluid layer therebetween and including a second electrode facing the first electrode; and a second insulation layer provided between the second electrode and the fluid layer and facing the first insulation layer.