Lg Display Co., Ltd.

Seok-Hyun Kim

Kwan-Soo Kim

Eun-Jung Park

Han-Byeol Seok

Jae-Hyeon Kim

Byung-Soo Kim

Young-Nam Lim

Su-Hyeon Kim

Hyun-Chul Choi

Tae-Shick Kim

Sang-Kyoung Moon

Ho-Sung Kim

Disclosed is an organic light-emitting display device, which prevents lateral current leakage by providing a structure on a bank so as to cut off an organic material, which is formed in a subsequent process, around the structure.

Organic light-emitting display device with spacer between sub-pixels

A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.

Display device and method of fabricating the same

Disclosed is a display device which may display images in a transmission portion, and may improve uniformity of a display in both the emission portion and the transmission portion, thus may improve efficiency of a device and improve a lifespan.

Display device having transmission portion and emission portion with capping stack formed thereon

Display device including deposition preventing layer and method of fabricating the same

Disclosed is a display device configured such that a mixture of a transition metal and an organic material is used as a cathode, whereby the cathode exhibits low resistance, high transmittance, high reliability, and high performance in the state in which the cathode is thin.

Display device and method of manufacturing the same

Disclosed are a light emitting device which has improved reliability by increasing bonding force between a cathode and organic layers contacting both surfaces thereof, and a transparent display device using the same.

Light emitting device and transparent display device using the same

Disclosed is a transparent display device which has improved transmittance and luminous uniformity according to wavelength. The transparent display device includes a capping structure. The capping structure is formed by stacking a high refractive index first capping layer having destructive interference properties and a low refractive index second capping layer.

Transparent display device including a transmissive electrode and a capping structure at an emission portion and a transmission portion

A display device enables transparent display at increased transparency and double-sided emission display, thereby being capable of improving aperture ratio during emission. The display device includes a transmission part having a configuration capable of selectively achieving a transmission function and a double-sided emission function.

Display device

Disclosed is an organic light-emitting element and organic light-emitting display device using the same, which has light transmission, is capable of reducing the resistance of the element, and is reliable regardless of variation in temperature or environment.

Organic light-emitting element and organic light-emitting display device using the same

An organic light-emitting device is disclosed. The organic light-emitting device includes light-emitting layers that emit light of the same color in a stack structure. The phosphorescence and fluorescence characteristics at the exit side and the inside of the organic light-emitting device are adjusted to improve a viewing angle, lifetime, and efficiency.

Organic light-emitting device and organic light-emitting display device using the same

An organic light-emitting device, including: a substrate including a blue sub-pixel, a green sub-pixel, and a red sub-pixel, each blue sub-pixel, green sub-pixel, and red sub-pixel respectively including an anode, a first common layer, a second common layer, and a cathode, in the blue sub-pixel, a blue light-emitting layer between the first common layer and the second common layer, in the green sub-pixel, a green light-emitting layer between the first common layer and the second common layer, and in the red sub-pixel, a red light-emitting layer between the first common layer and the second common layer, wherein HOMO energy levels of the blue, green, and red light-emitting layers are each lower than a HOMO energy level of the first common layer, and wherein the HOMO energy level of the green light-emitting layer is 0.2 eV or more higher than the HOMO energy level of the blue light-emitting layer.

An organic light-emitting device includes: an anode and a cathode opposite each other, an organic light-emitting layer between the anode and the cathode, and a hole transport unit between the anode and the organic light-emitting layer and including two or more pairs of hole injection layers and hole transport layers each formed of a respective single material, the hole injection layers and the hole transport layers being alternately stacked.

Organic light-emitting device and organic light-emitting display using the same

An organic light-emitting device and an organic light-emitting display device using the same are discussed. In a structure in which emission layers that emit light having the same color are provided in a plurality of stacks, the emission layers have different properties such that the light emission efficiencies of the stacks are made uniform, whereby the lifespan of the organic light-emitting device is increased through charge balance.

Growing community of inventors

Goyang-si, South Korea

Seok-Hyun Kim