Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

Abstract: Disclosed is a technique for processing pixel array data of a mobile terminal with a digital camera function. A device for processing pixel array data includes: an image sensor having (x×y)-sized pixel capacity, converting an optical signal received via a lens into an electric signal, and generating (x×y)-sized pixel array data; and an image signal processor for generating an (X×Y)-sized extended pixel array data area, receiving pixel values of the (x×y)-sized pixel array data from the image sensor, arranging the pixel values of the (x×y)-sized pixel array data in the (X×Y)-sized extended pixel array data area, arranging pixel values obtained by performing an arithmetical operation on pixel values of (x×y)-sized pixel array data, adjacent to remaining pixel areas of the (X×Y)-sized extended pixel array data other than the pixel areas having the pixel values of the (x×y)-sized pixel array data, in the remaining pixel areas, and outputting the (X×Y)-sized extended pixel array data.

Abstract: Disclosed herein is a mobile communication terminal equipped with a camera having an image distortion compensation function which compensates image distortion created by a luminance difference between pixels in the vicinity of a central portion of a pixel array of an image sensor and pixels in the vicinity of an outer portion of a pixel array of the image sensor by detecting a Y-component value of the central pixel of the pixel array of the image sensor and Y-component values of the pixels located diagonally to the central pixel, comparing the Y-component value of the central pixel with the Y-component values of the pixels located diagonally to the central pixel, generating compensation values for compensating signal distortion in each of the pixels located diagonally to the central pixel according to the comparison result, and outputting a distortion compensation command, together with the compensation values, to the ISP (image signal processor).

Abstract: The present invention provides an interface device using a function of switch that can execute various applications in a mobile terminal by multi-switching USB_D+ and USB_D?, or RS232C data line to an external interface; and, particularly, that can make the mobile terminal used as a PC camera. A universal serial bus (USB) interface device using function of switch includes a dual interface unit for multi-switching data according to a microcontroller unit (MCU) selection signal and a digital signal processor (DSP) selection signal; an image processing unit for digitalizing the image data; a signal processing unit for activating the MCU selection signal or the DSP selection signal, and processing the data; and a memory unit for saving the data according to control of the image processing unit or the signal processing unit.

Abstract: Disclosed are a mobile communication terminal equipped with a digital image capturing module and a method of capturing a digital image. The mobile communication terminal includes: a camera module for acquiring digital image data; a storage unit for storing the acquired digital image data; a display unit for displaying the acquired digital image data; and a control module for calculating mean luminance values of frames acquired during a predetermined time, calculating an image's luminance value by averaging the mean luminance values of all the frames except frames having significantly high deviations in mean luminance, and transmitting to the camera module a control instruction for controlling an exposure time based on the image's luminance value at regular intervals.

Abstract: Disclosed herein is a mobile communication terminal equipped with a camera having an image distortion compensation function which compensates image distortion created by a luminance difference between pixels in the vicinity of a central portion of a pixel array of an image sensor and pixels in the vicinity of an outer portion of a pixel array of the image sensor by detecting a Y-component value of the central pixel of the pixel array of the image sensor and Y-component values of the pixels located diagonally to the central pixel, comparing the Y-component value of the central pixel with the Y-component values of the pixels located diagonally to the central pixel, generating compensation values for compensating signal distortion in each of the pixels located diagonally to the central pixel according to the comparison result, and outputting a distortion compensation command, together with the compensation values, to the ISP (image signal processor).

Abstract: Disclosed is a technique for processing pixel array data of a mobile terminal with a digital camera function. A device for processing pixel array data includes: an image sensor having (x×y)-sized pixel capacity, converting an optical signal received via a lens into an electric signal, and generating (x×y)-sized pixel array data; and an image signal processor for generating an (X×Y)-sized extended pixel array data area, receiving pixel values of the (x×y)-sized pixel array data from the image sensor, arranging the pixel values of the (x×y)-sized pixel array data in the (X×Y)-sized extended pixel array data area, arranging pixel values obtained by performing an arithmetical operation on pixel values of (x×y)-sized pixel array data, adjacent to remaining pixel areas of the (X×Y)-sized extended pixel array data other than the pixel areas having the pixel values of the (x×y)-sized pixel array data, in the remaining pixel areas, and outputting the (X×Y)-sized extended pixel array data.

Abstract: Disclosed is a mobile communication terminal capable of taking a picture and allowing a user to view TV. The mobile communication terminal includes: a display unit; a camera unit for converting an optical signal inputted through a lens system into an electrical signal and outputting the electrical signal; a TV reception unit for extracting an image signal from a TV signal received over the air; and a signal processing unit for alternatively processing a first image signal outputted from the camera unit or a second image signal outputted from the TV reception unit, and outputting the processed image signal to the display unit.

Abstract: Disclosed herein is a mobile terminal capable of receiving TV signals over the air. The mobile terminal includes main and sub display units for displaying operating states, a TV receiver unit for recovering an image signal from a TV signal received over the air, and a signal processor unit for outputting the image signal from the TV receiver to the main display unit and the sub display unit selectively or simultaneously. The mobile terminal may further include a flip open/close detector for detecting whether a flip is opened or closed and outputting a flip open/close detection signal, and a phone control unit for controlling the signal processor unit to output the image signal to the sub display unit located on the outer surface of the flip when the flip open/close detection signal indicates that the flip is closed.

Abstract: Provided is a mobile terminal having an image processing function that can perform independent image processing procedure from call processing and a method therefor. The mobile terminal includes: an image sensor for obtaining an image; an image digital processing (DSP) unit for formatting the image into specific image format data; an interface unit for transmitting the specific image format data to an external unit; and a control unit for generating a control signal allowing the specific image format data to be transmitted to the external unit.

Abstract: The present invention provides an interface device using a function of switch that can execute various applications in a mobile terminal by multi-switching USB_D+ and USB_D−, or RS232C data line to an external interface; and, particularly, that can make the mobile terminal used as a PC camera. A universal serial bus (USB) interface device using function of switch includes a dual interface unit for multi-switching data according to a microcontroller unit (MCU) selection signal and a digital signal processor (DSP) selection signal; an image processing unit for digitalizing the image data; a signal processing unit for activating the MCU selection signal or the DSP selection signal, and processing the data; and a memory unit for saving the data according to control of the image processing unit or the signal processing unit.