Lg Electronics Inc.

Yonghan Lee

Hwanjoon Choi

Sungjin Park

Taehoon Kim

Byungjoon Rhee

Junhak Lee

Wonbae Park

Soobeom Lee

Byeongkil Ahn

Hyungchul Won

Jinhyoun Joe

Donghyeon Kim

Myungsuk Byeon

Discussed is a display device including: a substrate; a plurality of semiconductor light emitting devices arranged on the substrate; a first electrode arranged on the substrate, and electrically connected to the plurality of semiconductor light emitting devices at a lower side of the plurality of semiconductor light emitting devices; a second electrode electrically connected to the plurality of semiconductor light emitting devices at an upper side of the plurality semiconductor light emitting devices; and a plurality of partition walls arranged at the upper side of the plurality of semiconductor light emitting devices, and arranged between the plurality of semiconductor light emitting devices, wherein the substrate is formed of a light transmissive material, and wherein the plurality of partition walls have a width decreased as they become far from the substrate.

Display device using semiconductor light emitting device and method for manufacturing the same

The present invention relates to a display apparatus and a method for manufacturing same and, particularly, to a display apparatus using a semiconductor light emitting device having a size of several μm to dozens of μm. The present invention provides a display apparatus comprising: a substrate; a wiring electrode disposed on the substrate; multiple semiconductor light emitting devices electrically connected to the wiring electrode; multiple conductive particles arranged between the wiring electrode and the semiconductor light emitting devices; and a bonding layer disposed on the semiconductor light emitting devices to allow the multiple conductive particles to be fixed to the semiconductor light emitting devices, wherein each of the multiple semiconductor light emitting devices includes multiple conductive electrodes, and the conductive particles are selectively fixed to only the surfaces of the conductive electrodes.

Display apparatus using semiconductor light emitting device and method for manufacturing same

Discussed is a display device including a substrate including a plurality of electrode lines; and a plurality of semiconductor light emitting devices disposed on the substrate and electrically connected to the plurality of electrode lines; wherein each of the plurality of semiconductor light emitting devices includes: a first conductive semiconductor layer; a plurality of second conductive semiconductor layers formed on the first conductive semiconductor layer; and an active layer formed between the first and second conductive semiconductor layers, and wherein each of the plurality of semiconductor light emitting devices includes a plurality of active layers spaced apart from each other.

Display device using micro LED

The present invention relates to a display device, using semiconductor light-emitting diodes, comprising: a wiring board which comprises a row line for providing a row signal, a column line for providing a column signal, a VCC line connected to a VCC input terminal, and a VDD line connected to a VDD input terminal; and an interposer which is provided on the wiring board, has pixels, comprising semiconductor light-emitting diodes, along a plurality of rows and columns, and comprises IC chips for controlling the pixel light emission. The interposer comprises: a first terminal connected to the row line and for transmitting the row signal to the IC chips; a second terminal connected to the column line and for transmitting the column signal to the IC chips; a third terminal connected to the VCC line and connecting the VCC input terminal and the IC chips; and a fourth terminal connected to the VDD line and connecting the VDD input terminal and the IC chips.

Display device using semiconductor light-emitting diodes

The present disclosure relates to a display apparatus using a semiconductor light-emitting device, the display apparatus comprising: a base substrate; a row driver which provides 3-state first signals including a high, a ground, and a low signal; a column driver which provides 2-state second signals including a high and a low signal; and a plurality of semiconductor light-emitting devices provided on the base substrate, wherein the plurality of semiconductor light-emitting devices include a first semiconductor light-emitting device and a second semiconductor light-emitting device which are connected to the row driver and the column driver in different pole directions.

Display apparatus using semiconductor light-emitting device

Discussed is a display device having a plurality of semiconductor light emitting elements mounted on a substrate, wherein at least one of the semiconductor light emitting elements includes a first electrode and a second electrode spaced apart each other, a first conductivity type semiconductor layer disposed with the first electrode, a second conductivity type semiconductor layer configured to overlap with the first conductivity type semiconductor layer, and disposed with the second electrode, a first passivation layer covering outer surfaces of the first conductivity type semiconductor layer and the second conductivity type semiconductor layer, and a second passivation layer covering the first passivation layer, wherein at least one portion of the second electrode is overlapped with at least one portion of the first electrode along the thickness direction of the semiconductor light emitting element.

Display device using semiconductor light emitting element

The present invention relates to a display device and, particularly, to a display device using a semiconductor light emitting element. The display device according to the present invention comprises a plurality of semiconductor light emitting elements mounted on a substrate, wherein at least one of the semiconductor light emitting elements comprises: a first conductive electrode and a second conductive electrode; a first conductive semiconductor layer in which the first conductive electrode is disposed; a second conductive semiconductor layer which overlaps the first conductive semiconductor layer and in which the second conductive electrode is disposed; a first passivation layer formed to cover outer surfaces of the first conductive semiconductor layer and the second conductive semiconductor layer; and a second passivation layer formed to cover the first passivation layer and formed such that at least a portion thereof varies in thickness.

The present disclosure relates to a display device and, in particular, a display device using a semiconductor light-emitting device. The display device according to the present disclosure comprises: a substrate having a wiring electrode; a plurality of semiconductor light-emitting elements are electrically connected to the wiring electrode; a plurality of fluorescent substance layers for converting a wavelength of light; a wavelength conversion layer having a plurality of light-emitting elements formed from a plurality of fluorescent substance layers, and a color filter disposed so as to cover the wavelength conversion layer, where at least one of the plurality of fluorescent substance layers has a plurality of layers.

Display device using semiconductor light-emitting element

The present invention relates to a display device and, particularly, to a display device using a semiconductor light emitting element. The display device according to the present invention comprises: a substrate at which a wire electrode is formed; a plurality of semiconductor light emitting elements electrically connected to the wire electrode; a plurality of fluorescent material layers for converting a wavelength of light; a wavelength converting layer which has a plurality of partition wall portions formed between the plurality of fluorescent material layers and is disposed to cover the plurality of semiconductor light emitting elements; and a color filter which has a plurality of filtering portions for filtering blue, green, and red colors, and is disposed to cover the wavelength converting layer, wherein at least one of the plurality of filtering portions is configured to have a width different from those of the other filtering portions.

Display device using semiconductor light emitting element and method for manufacturing same

A display device including a plurality of vertical type semiconductor light-emitting diodes; a plurality of horizontal type semiconductor light-emitting diodes; a first wiring formed on a substrate and including a plurality of electrode lines, a first electrode line being connected with first conductive electrodes of the vertical type semiconductor light-emitting diodes and a second electrode line being connected with first conductive electrodes of the horizontal type semiconductor light-emitting diodes; a second wiring spaced apart from and crossing the first wiring and electrically connected with second conductive electrodes of the vertical type semiconductor light-emitting diodes; and a third wiring formed on the substrate, electrically connected with the second wiring, and connected with second conductive electrodes of the horizontal type semiconductor light-emitting diodes.

Display device using semiconductor light-emitting diode

The present invention relates to a mobile terminal capable of a new type of user input, comprising: a backside input unit including a plurality of buttons and exposed to the backside of the mobile terminal; a memory for storing relationships between combinations of the plurality of buttons and control instructions of the mobile terminal and biometric information; a sensor unit, arranged on the backside of the mobile terminal and adjacent to the backside input unit, for sensing a user's bio signal; and a control unit for, upon receiving a user input in accordance with a particular combination of the plurality of buttons, controlling the sensor unit to sense the user's bio signal, and authenticating the user using the sensed bio signal and the stored biometric information.

Mobile terminal and method for controlling same

A display device include a substrate including a wiring electrode; an adhesive layer disposed on the substrate; a plurality of semiconductor light emitting devices adhered to the adhesive layer, and electrically connected to the wiring electrode; and a phosphor layer disposed to cover the plurality of semiconductor light emitting devices. Further, the phosphor layer includes a plurality of phosphor portions for converting a wavelength of light, and a plurality of partition wall portions formed between the plurality of phosphor portions, and the plurality of partition wall portions are sequentially disposed between the phosphor portions along a first direction and a second direction crossing each other, respectively, and at least one of the sequentially disposed partition wall portions overlaps with at least one of the plurality of semiconductor light emitting devices.

Display device using semiconductor light emitting device and method for manufacturing

Provided are a touch panel and a display apparatus having the touch panel. The touch panel includes a substrate, and a plurality of optical devices arranged on the substrate, in which a distance between two adjacent optical devices of the plurality of optical devices may gradually decrease toward a corner of the substrate.

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Seoul, South Korea

Yonghan Lee