摘要:
An LED according to the present invention includes a light-emitting chip emitting light, a chip-mounting portion on which the light-emitting chip is mounted, a light-reflecting layer formed on at least a portion of the chip-mounting portion and a gold plating layer formed on at least a portion of the light-reflecting layer, the gold plating layer having a thickness such that the gold plating layer has a different color from a color of gold. The chip-mounting portion may have various shapes and materials. For example, the chip-mounting portion may be a lead terminal, a slug, a printed circuit board, a ceramic substrate, a CNT substrate, etc.
摘要:
A negative active material and a lithium battery including the negative active material. The negative active material includes a carbonaceous substrate with a plurality of recessed portions at its surface; and a silicon-based nanowire placed in each of the recessed portions. The negative active material provides the silicon-based nanowires with separate places to control volumetric expansion of the silicon-based nanowires, and thus, a lithium battery including the negative active material has improved efficiency and lifetime.
摘要:
A plasma display device embodying a touch panel function utilizing infrared rays that are generated when displaying an image and that are emitted in a uniform distribution manner in a display area. The plasma display device includes: a plasma display panel (PDP) for displaying an image; a chassis base attached to and supporting the PDP; an infrared ray sensor at a front surface or a rear surface of the PDP for detecting a change in amount of infrared rays emitted from the PDP; and a controller for receiving a detection signal and determining a position of the change in amount of infrared rays, the position of the change in amount of infrared rays defining a touch position.