Abstract: A disclosed display apparatus may include a first electrode on a substrate, a light emitting layer on the first electrode, a second electrode on the light emitting layer, and an encapsulation layer covering the second electrode. The encapsulation layer may include a plurality of metal patterns spaced apart from one another.

Abstract: A disclosed display apparatus may include a first electrode on a substrate, a light emitting layer on the first electrode, a second electrode on the light emitting layer, and an encapsulation layer covering the second electrode. The encapsulation layer may include a plurality of metal patterns spaced apart from one another.

Abstract: The present invention relates to a permanent magnet electrical machine, and more particularly, to a permanent magnet electrical machine for reducing a detent force, the machine being capable of reducing a detent force by arranging a plurality of movers having the same teeth at predetermined intervals. In addition, according to the present invention, the permanent magnet electrical machine comprising a stator and a plurality of movers configured to perform linear motion, curvilinear motion, or rotary motion with respect to the stator is provided.

Abstract: The present invention relates to a permanent magnet electrical machine, and more particularly, to a permanent magnet electrical machine for reducing a detent force, the machine being capable of reducing a detent force by arranging a plurality of movers having the same teeth at predetermined intervals. In addition, according to the present invention, the permanent magnet electrical machine comprising a stator and a plurality of movers configured to perform linear motion, curvilinear motion, or rotary motion with respect to the stator is provided.

Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.

Abstract: A reflective display device is disclosed, which includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; and a reflective control element provided in the reflective area, controlling reflectance of externally incident light. The reflective display device may improve a contrast ratio by controlling reflectance of a reflective area when an image is displayed.

Abstract: A transparent display device including an emitting area and a transmitting area is provided. An upper AR structure is disposed on an upper substrate. The upper AR structure includes an upper reflection-preventing layer and an upper color-compensating layer having a blue dye. As a result, the transparency of the transmitting area is increased.

Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.

Abstract: A transparent display device including an emitting area and a transmitting area is provided. An upper AR structure is disposed on an upper substrate. The upper AR structure includes an upper reflection-preventing layer and an upper color-compensating layer having a blue dye. As a result, the transparency of the transmitting area is increased.

Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.

Abstract: Disclosed are a back cover and a transparent display apparatus including the same, in which a chip groove, into which a chip included in a chip-on film coupled to a transparent panel is inserted, is disposed in a rear surface. The transparent display apparatus includes a transparent panel and a back cover. The transparent panel may display an image. The back cover may be transparent, and the transparent panel may be disposed on a front of the back cover. A chip groove into which a chip included in a chip-on film coupled to the transparent panel is inserted may be disposed in a rear surface of the back cover.

Abstract: Disclosed is a transparent display device including an electrochromic element. The electrochromic element includes an electrochromic layer, a counter layer, and an electrolyte layer. An image is displayed through an oxidation-reduction reaction, and the display device is in a transparent mode when a voltage is not applied. The electrochromic layer and the counter layer may further include a core material for changing a color at a high speed.

Abstract: A reflective display device is disclosed, which includes first and second substrates facing each other, each of which includes a display area and a reflective area; a display element provided in the display area; and a reflective control element provided in the reflective area, controlling reflectance of externally incident light. The reflective display device may improve a contrast ratio by controlling reflectance of a reflective area when an image is displayed.

Abstract: Disclosed are a back cover and a transparent display apparatus including the same, in which a chip groove, into which a chip included in a chip-on film coupled to a transparent panel is inserted, is disposed in a rear surface. The transparent display apparatus includes a transparent panel and a back cover. The transparent panel may display an image. The back cover may be transparent, and the transparent panel may be disposed on a front of the back cover. A chip groove into which a chip included in a chip-on film coupled to the transparent panel is inserted may be disposed in a rear surface of the back cover.

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes: an organic light emitting display panel defined into a display area for displaying an image and a non-display area surrounding the display area; a chip-on-film loaded with a driver IC chip, which is configured to drive the organic light emitting display panel, and attached to a pad portion which is formed on the non-display area of the organic light emitting display panel; and a printed circuit board configured to apply signals to the driver IC chip and attached to one edge of the chip-on-film, wherein the organic light emitting display panel includes a dummy pad portion which is formed on the non-display area in the same configuration as the pad portion and in opposition to the pad portion.

Abstract: A flexible display device includes a display panel including a plastic substrate where an organic light emitting diode and a thin film transistor are formed; a circuit portion applying a power signal and a data signal, which are supplied from an external portion, to the display panel; and a support member coupled to the plastic substrate, wherein the display panel and the circuit portion are bent around the support member.

Abstract: A flexible display device includes a display panel including a plastic substrate where an organic light emitting diode and a thin film transistor are formed; a circuit portion applying a power signal and a data signal, which are supplied from an external portion, to the display panel; and a support member coupled to the plastic substrate, wherein the display panel and the circuit portion are bent around the support member.

Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes: an organic light emitting display panel defined into a display area for displaying an image and a non-display area surrounding the display area; a chip-on-film loaded with a driver IC chip, which is configured to drive the organic light emitting display panel, and attached to a pad portion which is formed on the non-display area of the organic light emitting display panel; and a printed circuit board configured to apply signals to the driver IC chip and attached to one edge of the chip-on-film, wherein the organic light emitting display panel includes a dummy pad portion which is formed on the non-display area in the same configuration as the pad portion and in opposition to the pad portion.

Abstract: An organic electroluminescent display device includes a display panel that includes sub-pixels which include organic light emitting diodes, respectively, to display a frame image made by image data by every frame; a data drive IC that outputs data voltages to the sub-pixels, respectively, by every frame, wherein the data voltages correspond to the image data, respectively; a current detecting portion that detects a first panel current, and generates a first comparison value corresponding to the first panel current; a current estimating portion that estimates a second panel current from the image data of the frame and generates a second comparison value corresponding to the second panel current; and a brightness control portion that compares the first and second comparison values and adjusts a brightness of a frame image after the frame according to the comparison result.

Abstract: An organic electroluminescent display device includes a display panel that includes sub-pixels which include organic light emitting diodes, respectively, to display a frame image made by image data by every frame; a data drive IC that outputs data voltages to the sub-pixels, respectively, by every frame, wherein the data voltages correspond to the image data, respectively; a current detecting portion that detects a first panel current, and generates a first comparison value corresponding to the first panel current; a current estimating portion that estimates a second panel current from the image data of the frame and generates a second comparison value corresponding to the second panel current; and a brightness control portion that compares the first and second comparison values and adjusts a brightness of a frame image after the frame according to the comparison result.