Abstract: Disclosed is a cata-dioptric system. A cata-dioptric system according to an embodiment of the present invention includes: a reflecting optical system that reflects incident light through a plurality of reflective surfaces; and a refracting optical system that refracts the reflected incident light, wherein the respective internal diameters of the plurality of reflective surfaces are disposed on the same perpendicular line as the external diameters of other reflective surfaces adjacent to the respective internal diameters of the plurality of reflective surfaces, or at a closer distance from a perpendicular line including the top surface of the refractive optical system.

Abstract: An image pickup apparatus capable of performing a zooming function without increasing a thickness of the image pickup apparatus, and obtaining depth information at the same time by using lens elements having different diameters, is provided. The image pickup apparatus includes lens elements, and image pickup regions respectively disposed in correspondence to the lens elements. At least two of the lens elements have different diameters. At least two of the image pickup regions have different sizes. A smallest image pickup region among the image pickup regions having a smallest size among sizes of the image pickup regions is disposed with respect to a lens element among the lens elements having a largest diameter. A largest image pickup region among the image pickup regions having a largest size among sizes of the image pickup regions is disposed with respect to a lens element among the lens elements having a smallest diameter.

Abstract: A display device includes a substrate, one line on the substrate, the one line extending from a peripheral region through a display region, pixels on the display region, the pixels being connected to the one line, an outer line on the peripheral region, the outer line being connected to the one line during a short circuit test process that detects a position of a short circuit defect, an electrostatic protection resistor on the peripheral region, the electrostatic protection resistor being connected to the outer line, a pad on the peripheral region, the pad being connected to the outer line through the electrostatic protection resistor, a short circuit test signal being applied to the pad during the short circuit test process, and a bypass line connecting a node between the pad and the electrostatic protection resistor to the outer line.

Abstract: An organic light emitting display device includes data lines and an auxiliary data line, scan lines and emission control lines crossing the data lines and the auxiliary data line, display pixels at crossing regions of the data lines, the scan lines and the emission control lines, auxiliary pixels at crossing regions of the auxiliary data line, the scan lines and the emission control lines, and auxiliary lines coupled to the auxiliary pixels. Each of the auxiliary pixels includes a discharge transistor coupled to one of the auxiliary lines and a first power voltage line to which a first power voltage is supplied and a discharge transistor controller including a plurality of transistors and configured to control the discharge transistor.

Abstract: A reflection type imaging apparatus includes a deflector that reflects light incident from an outside; a reflecting mirror that reflects the light reflected by the deflector in a direction parallel to a direction in which the light is incident on the deflector; an image sensor that is disposed below the reflecting mirror and arranged perpendicular to the direction in which the light is incident on the deflector, wherein the light reflected by the reflecting mirror is focused on the image sensor; and a stray light blocking member disposed at one side of the image sensor facing the deflector, the stray light blocking member configured to block stray light rays from the deflector from being directly incident on the image sensor.

Abstract: A display device and a method of repairing the same are disclosed. In one aspect, the display device includes an OLED, a repair line electrically connected to a first dummy pixel and a second dummy pixel, and a repair modulation circuit electrically connected to the first and second dummy pixels. The first dummy pixel includes a first dummy pixel driving circuit configured to output a driving current corresponding to a data voltage of a selected pixel of the OLED to the repair line, when the selected pixel becomes defective, based on a first light emission control signal. The repair modulation circuit includes a capacitor configured to be initialized before the driving current is output from the first dummy pixel driving circuit. The capacitor of the repair modulation circuit is configured to be charged with the driving current when the driving current is output from the first dummy pixel driving circuit.

Abstract: A display panel and organic light-emitting diode (OLED) display including the same are disclosed. In one aspect, the display panel includes an active pixel including a driving circuit configured to generate a driving current based on a data signal and an emission circuit configured to emit light based on the driving current. The display panel also includes a repair pixel including a repair driving circuit configured to provide a repair driving current to the emission circuit instead of the driving current of the driving circuit when the driving circuit is disconnected from the emission circuit. The repair pixel further includes an aging switch configured to apply an aging voltage to the repair driving circuit during an aging operation and electrically disconnect the repair driving circuit from a power supply after the aging operation is performed.

Abstract: A display device includes a substrate, one line on the substrate, the one line extending from a peripheral region through a display region, pixels on the display region, the pixels being connected to the one line, an outer line on the peripheral region, the outer line being connected to the one line during a short circuit test process that detects a position of a short circuit defect, an electrostatic protection resistor on the peripheral region, the electrostatic protection resistor being connected to the outer line, a pad on the peripheral region, the pad being connected to the outer line through the electrostatic protection resistor, a short circuit test signal being applied to the pad during the short circuit test process, and a bypass line connecting a node between the pad and the electrostatic protection resistor to the outer line.

Abstract: A display device includes a substrate, a display area disposed on the substrate and including a plurality of pixels and data lines, a peripheral area disposed outside the display area of the substrate, a pad portion disposed in the peripheral area, an encapsulation layer disposed in the peripheral area and the display area, and disposed on the plurality of pixels of the display area, a crack detection circuit disposed in the peripheral area, and a first crack detection line connected with the pad portion and the crack detection circuit. The first crack detection line is disposed on the encapsulation layer.

Abstract: An organic light emitting display device includes: data lines and auxiliary data lines, scan lines and light emission control lines crossing the data lines and the auxiliary data lines, a display area including display pixels formed at crossing regions of the data lines, the scan lines, and the light emission control lines, a non-display area including auxiliary pixels formed at crossing regions of the auxiliary data lines, the scan lines, and the light emission control lines, and auxiliary lines connected to the auxiliary pixels. Each of the auxiliary pixels may include: an auxiliary pixel driver configured to supply a driving current to a corresponding one of the auxiliary lines, and an auxiliary transistor connected to the corresponding one of the auxiliary lines and to a first power voltage line, configured to transmit a first power voltage from the first power voltage line, in response to a control signal.

Abstract: An electronic apparatus for illuminating and photographing a user's face and a control method thereof are provided. The electronic apparatus includes a camera configured to photograph a user's face, a transceiver configured to perform communication with a user terminal, and at least one processor configured to photograph the user's face a plurality of times on the basis of a plurality of photographing parameters to obtain a plurality of images, extract face regions corresponding to each of the plurality of images photographed on the basis of the plurality of photographing parameters, synthesize the extracted user's face regions with each other to create a synthesized image, and control the transceiver to transmit data on the synthesized image to the user terminal for the purpose of skin analysis for the user's face.

Abstract: A photographing apparatus and a photographing method are provided. The photographing apparatus includes: a viewfinder configured to display a live image; a display configured to display the live image and receive a touch input; and a controller configured to activate at least one selected from the viewfinder and the display according to whether a user approaches the photographing apparatus and activate a set area of a display area of the display for performing an autofocusing function in response to the viewfinder being activated. The set area is an area where a touch for setting an autofocusing area of the live image displayed through the viewfinder is input. Therefore, the user intuitively performs autofocusing on the live image with observing the live image displayed through the viewfinder.

Abstract: An electronic device includes a lens part that receives light from the outside, an image sensor that changes the received light to electronic image data, and an image processing unit that processes the image data. If a saturated pixel is included in the image data, the image processing unit measures the amount of light of the saturated pixel by using an increasing or decreasing value of brightness of a plurality of unsaturated pixels around the saturated pixel.

Abstract: A method and electronic device for detecting a wavelength spectrum of incident light. The electronic device includes an image sensor including a pixel array, wherein the pixel array includes a unit pixel including a micro lens configured to focus incident light, and two or more photodetectors configured to output an electrical signal in response to the incident light; and a processor configured to detect a wavelength spectrum of the incident light based on output values from the two or more photodetectors.

Abstract: An image photographing apparatus is provided. The image photographing apparatus includes a first photographing unit configured to photograph an image by using a phase difference image sensor, a second photographing unit configured to be spaced on a side of the first photographing unit, a controller configured to generate a first depth map by using a first image photographed by the first photographing unit and generate a second depth map by using a second image photographed by the second photographing unit, and an image processor configured to generate a three-dimensional (3D) image by using the first depth map and the second depth map.

Abstract: An organic light emitting display device includes display pixels, auxiliary pixels, and a plurality of signal lines. The signal lines include data lines, auxiliary data lines, scan lines, and emission control lines. The auxiliary pixels are to be used for repairing defective ones of the display pixels. In operation, scan signals are supplied in a unit of p scan lines, A emission control signals are to be supplied in a unit of p A emission control lines, and B emission control signals are to be supplied in a unit of p B emission control lines, where p?2.

Abstract: An organic light emitting display device, includes: pixels connected to scan lines, light emission lines, and data lines crossing the scan lines and the light emission lines, and including organic light emitting diodes, and pixel driving circuits to output a driving current to the organic light emitting diodes, respectively; a plurality of dummy driving circuits to output a dummy driving current; a dummy data line to apply a dummy data voltage to the plurality of dummy driving circuits; and a plurality of repair lines to electrically connect each of the organic light emitting diodes to at least one of the plurality of dummy driving circuits, wherein each of the dummy driving circuits corresponds to at least two of the repair lines, and each of the organic light emitting diodes is to be electrically connected to corresponding ones of the dummy driving circuits through corresponding ones of the repair lines.

Abstract: Disclosed is a cata-dioptric system. A cata-dioptric system according to an embodiment of the present invention includes: a reflecting optical system that reflects incident light through a plurality of reflective surfaces; and a refracting optical system that refracts the reflected incident light, wherein the respective internal diameters of the plurality of reflective surfaces are disposed on the same perpendicular line as the external diameters of other reflective surfaces adjacent to the respective internal diameters of the plurality of reflective surfaces, or at a closer distance from a perpendicular line including the top surface of the refractive optical system.

Abstract: An organic light emitting display device includes a display area and a non-display area. The display area includes display pixels at crossing areas of data lines, scan lines, and emission control lines. The non-display area includes auxiliary pixels at crossing positions of auxiliary data lines, scan lines, and emission control lines. The display device also includes a scan driver to supply scan signals to the scan lines, a first data driver to supply data voltages to the data lines, a second data driver to supply an auxiliary data voltage to the auxiliary data line, and a demultiplexer between the data lines and the first data driver.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and a peripheral area surrounding the display area, a plurality of scan lines formed over the substrate and a plurality of data lines crossing the scan lines. A plurality of pixels is formed in the display area and electrically connected to the scan lines and the data lines, a repair ring is formed in the peripheral area and surrounding the display area, and the repair ring includes a first portion and a connecting portion different from the first portion. The first portion has a width less than that of the connecting portion different from the first portion. A driving circuit is configured to generate a data signal that is output to the data lines and the repair ring.