Bum Chul
Bum Chul Cho, Gwangju-Si KR
Patent application number | Description | Published |
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20090278153 | LIGHT EMITTING DEVICE - Provided is a light emitting device. The light emitting device comprises a package body, a plurality of electrodes, a light emitting diode, and a lens. The package body comprises a trench. The plurality of electrodes is disposed on and/or in the package body. The light emitting diode is disposed on the package body and is electrically connected to the electrodes. The lens is disposed on an inner side of the trench. | 11-12-2009 |
20120068203 | LIGHT EMITTING DEVICE - A light emitting device includes a package body, a light emitting diode, a transparent resin material, and a wire. The package body includes a bottom part and a side part. The bottom part includes a first electrode and a second electrode electrically connecting the upper surface and the bottom surface of the bottom part, respectively. The side part includes an upper surface including a trench and a bottom surface being in contact with the upper surface of the bottom part, wherein the upper surface of the bottom part is lower than the upper surface of the side part such that the package body includes a cavity surrounded by the side part, and the bottom surface of the bottom part includes a second opened portion that divides the first electrode and the second electrode, and wherein a portion of the transparent resin material is disposed inside of the trench. | 03-22-2012 |
Bum Chul Cho, Seoul KR
Patent application number | Description | Published |
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20110198653 | LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM HAVING THE SAME - A light emitting device package of the embodiment includes a body; an insulating layer on a surface of the body; at least one electrode layer on the insulating layer; and a light emitting device on the at least one electrode layer. The electrode layer includes a thermal diffusion layer and a reflective layer on the thermal diffusion layer, and the thermal diffusion layer has a thickness thicker than a thickness of the reflective layer by at least twenty times. | 08-18-2011 |
20120153329 | WAFER SUBSTRATE BONDING STRUCTURE AND LIGHT EMITTING DEVICE COMPRISING THE SAME - A wafer substrate bonding structure may be provided that includes: a first substrate; and a conductive thin film which is disposed on the first substrate and includes a resin and conductive corpuscles included in the resin. | 06-21-2012 |
20140117357 | LIGHT EMITTING DEVICE PACKAGE - Embodiments provide a light emitting device package including a package body having a top-opened cavity disposed in at least a portion thereof, a first electrode layer and a second electrode layer electrically isolated from the package body with an insulating layer interposed therebetween, the first electrode layer and the second electrode layer being electrically isolated from each other at a bottom surface of the cavity, a light emitting device placed on the bottom surface of the cavity configured to emit light through the open region of the cavity, and a sensor placed on at least a portion of the package body at the outside of the cavity configured to measure output of the light emitting device. | 05-01-2014 |
Bum Chul Cho, Jeollabuk-Do KR
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20110309391 | LIGHTING EMITTING DEVICE PACKAGE AND METHOD OF FABRICATING THE SAME - Provided is a light emitting device package and a method of fabricating the same. The light emitting device package comprises a package body having a cavity, a seed layer on a surface of the package body, a conductive layer on the seed layer, a mirror layer on the conductive layer, and a light emitting device in the cavity. | 12-22-2011 |
Bum Chul Kwon, Yongin-Si KR
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20140317401 | SERVER, SYSTEM, AND METHOD FOR ISSUING MOBILE CERTIFICATE - A mobile certificate issue server, system, and method are provided. The mobile certificate issue server includes a certificate generation part for generating a certificate using a public key included in certificate issue request information received from a user terminal, an e-mail sending part for sending the certificate to an e-mail address accessible to the mobile terminal of a user, and a server-side certificate conversion part for converting the certificate into information having a recognition format capable of being recognized by the mobile terminal Here, the e-mail sending part sends the certificate through e-mail in an attachment form. The e-mail sending part stores the information having the recognition format in a file form, inserts the file into the e-mail as an attachment file, and sends the e-mail to the e-mail address accessible to the mobile terminal of the user. | 10-23-2014 |