Abstract: A display device can include a display panel including sub-pixels and configured to switch between operating at a first frequency and operating at an Nth frequency, the Nth frequency being a maximum operating frequency of the display panel, N being a positive integer, a gate driver configured to output a scan signal to the display panel, and a data driver configured to output a data voltage to the display panel. Also, the display device can further include a timing controller configured to receive an external synchronization signal and image data, generate an internal synchronization signal within the timing controller, the internal synchronization signal having a frequency equal to the Nth frequency, and in response to generating the internal synchronization signal during a holding period, output a gate start pulse to the gate driver and output the image data to the data driver.

Abstract: A display device can include a display panel including sub-pixels and configured to switch between operating at a first frequency and operating at an Nth frequency, the Nth frequency being a maximum operating frequency of the display panel, N being a positive integer, a gate driver configured to output a scan signal to the display panel, and a data driver configured to output a data voltage to the display panel. Also, the display device can further include a timing controller configured to receive an external synchronization signal and image data, generate an internal synchronization signal within the timing controller, the internal synchronization signal having a frequency equal to the Nth frequency, and in response to generating the internal synchronization signal during a holding period, output a gate start pulse to the gate driver and output the image data to the data driver.

Abstract: A method of performing image tagging may include obtaining a plurality of image tags from an image using an image tag generating model, determining a degree of relevance between the plurality of image tags based on a plurality of area distribution maps respectively corresponding to each image tag of the plurality of image tags, generating a combined tag with interconnected image tags therein based on the degree of relevance, and performing image tagging on the image using the plurality of image tags and the combined tag.

Abstract: A display device according to an embodiment of the specification includes a display panel including a pixel including a driving element and a light emitting device; a host system configured to render image data, which is to be applied to the pixel, change a length of a vertical blank period, and output a rendering completion signal prior to outputting the rendered image data; a timing controller configured to set a sensing period on the basis of the rendering completion signal in the vertical blank period; and a sensing circuit configured to sense an electrical characteristic of the driving element in the sensing period, wherein the sensing period starts at a first timing which is a predetermined time earlier than an end time of the vertical blank period, and a length of the predetermined time is fixed regardless of a length variation of the vertical blank period.

Abstract: A display device including a display panel according to an embodiment of the present application includes a plurality of pixels, a timing controller configured to receive a compensation command signal in a vertical blank period in which no image data are written in the pixels, and a sensing circuit configured to sense driving properties of the pixels in at least one sensing period corresponding to the compensation command signal, wherein a length of the vertical blank period is different from each other in a first frame and a second frame, and a number of sensing periods having a predetermined length varies depending on the length of the vertical blank period.

Abstract: A display device including a display panel according, to an embodiment of the present application includes a plurality of pixels, a timing controller configured to receive a compensation command signal in a vertical blank period in which no image data are written in the pixels, and a sensing circuit configured to sense driving properties of the pixels in at least one sensing period corresponding to the compensation command signal, wherein a length of the vertical blank period is different from each other in a first frame and a second frame, and a number of sensing periods having a predetermined length varies depending on the length of the vertical blank period.

Abstract: A display device according to an embodiment of the specification includes a display panel including a pixel including a driving element and a light emitting device; a host system configured to render image data, which is to be applied to the pixel, change a length of a vertical blank period, and output a rendering completion signal prior to outputting the rendered image data; a timing controller configured to set a sensing period on the basis of the rendering completion signal in the vertical blank period; and a sensing circuit configured to sense an electrical characteristic of the driving element in the sensing period, wherein the sensing period starts at a first timing which is a predetermined time earlier than an end time of the vertical blank period, and a length of the predetermined time is fixed regardless of a length variation of the vertical blank period.

Abstract: A timing controller includes an input signal processor that receives a data enable signal and a frame frequency information signal, generates one of a first internal data enable signal having a first frame frequency and a second internal data enable signal having a second frame frequency, the first and second frame frequencies being selected based on the frame frequency information signal. A gate control signal output unit generates and outputs a first gate control signal based on the first internal data enable signal or a second gate control signal based on the second internal data enable signal. A data control signal output unit generates and outputs a first data control signal based on the first internal data enable signal or a second data control signal based on the second internal data enable signal. The pulse widths of the first and second internal data enable signals are the same.

Abstract: A timing controller includes an input signal processor that receives a data enable signal and a frame frequency information signal, generates one of a first internal data enable signal having a first frame frequency and a second internal data enable signal having a second frame frequency, the first and second frame frequencies being selected based on the frame frequency information signal. A gate control signal output unit generates and outputs a first gate control signal based on the first internal data enable signal or a second gate control signal based on the second internal data enable signal. A data control signal output unit generates and outputs a first data control signal based on the first internal data enable signal or a second data control signal based on the second internal data enable signal. The pulse widths of the first and second internal data enable signals are the same.

Abstract: The present invention relates to a light-emitting diode package having a plurality of inner leads, a plurality of outer leads extending from the inner leads, a slug electrically connected to at least one of the inner leads, the slug having a thermally conductive material, a light-emitting chip arranged on the slug, and a housing supporting the light-emitting diode package.

Abstract: The present invention provides a heat conducting slug having a multi-step structure, which is installed to an LED package to dissipate heat generated from a light emitting chip to the outside. The heat conducting slug includes a first slug, a second slug formed on the first slug, and a third slug formed on the second slug, wherein the light emitting chip is mounted to the third slug, and the second and third slugs respectively shaped to have edges are arranged to cross each other. In this configuration, heat generated from a light emitting chip follows a heat dissipation path, in which the heat is gathered at edges of one slug and dissipated therefrom and then gathered toward edges of another slug, arranged to cross the one slug. Accordingly, the entire heat dissipation path is not concentrated at a specific region but generally distributed widely, thereby improving a heat dissipation effect of the heat conducting slug.

Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light. The second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light.

Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light. The second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light.

Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light; the second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light; and the first LED package and the second LED package are alternately arranged.

Abstract: The present invention relates to a light-emitting diode package having a plurality of inner leads, a plurality of outer leads extending from the inner leads, a slug electrically connected to at least one of the inner leads, the slug having a thermally conductive material, a light-emitting chip arranged on the slug, and a housing supporting the light-emitting diode package.

Abstract: The present invention relates to an artificial solar light system, and more particularly, to an artificial solar light system using light emitting diodes. The present invention can provide an artificial solar light system using light emitting diodes, which can represent the same light emission effects as the sun with time. Further, the present invention can provide an artificial solar light system using light emitting diodes, which is inexpensive and is not affected by positions or climate.

Abstract: The present invention provides a heat conducting slug having a multi-step structure, which is installed to an LED package to dissipate heat generated from a light emitting chip to the outside. The heat conducting slug includes a first slug, a second slug formed on the first slug, and a third slug formed on the second slug, wherein the light emitting chip is mounted to the third slug, and the second and third slugs respectively shaped to have edges are arranged to cross each other. In this configuration, heat generated from a light emitting chip follows a heat dissipation path, in which the heat is gathered at edges of one slug and dissipated therefrom and then gathered toward edges of another slug, arranged to cross the one slug. Accordingly, the entire heat dissipation path is not concentrated at a specific region but generally distributed widely, thereby improving a heat dissipation effect of the heat conducting slug.

Abstract: The present invention relates to an artificial solar light system, and more particularly, to an artificial solar light system using light emitting diodes. The present invention can provide an artificial solar light system using light emitting diodes, which can represent the same light emission effects as the sun with time. Further, the present invention can provide an artificial solar light system using light emitting diodes, which is inexpensive and is not affected by positions or climate.

Abstract: The present invention relates to a backlight unit that includes at least one first light emitting diode (LED) package and at least one second LED package, wherein the first LED package includes a blue LED chip, a green LED chip, and a first phosphor, the first phosphor being excited by blue light and to emit light to be mixed with blue light and green light respectively emitted from the blue LED chip and the green LED chip, the first LED package to thereby emit white light; the second LED package includes a blue LED chip, a red LED chip, and a second phosphor, the second phosphor being excited by blue light and to emit light to be mixed with blue light and red light respectively emitted from the blue LED chip and the red LED chip, the second LED package to thereby emit white light; and the first LED package and the second LED package are alternately arranged.