Abstract:
A glass substrate containing Na or K and being fabricated by a floating method has a surface coated with a metal oxide layer having a thermal expansion coefficient close to that of the glass substrate. Ag electrodes are provided on the metal oxide layer. This provides a plasma display panel with high image quality since the panel is prevented from migration of Ag between electrodes, thus having the glass substrate prevented from being tinted yellow. As a result, the plasma display panel at high quality can be implemented using the glass substrate.
Abstract:
Disclosed is a LED which can be mounted at high density on a large area display. Having a hole for heat sink in the ceramic substrate, the LED is superior in heat sink property. In order to fabricate the light emitting device, first, a secondary ceramic sheet is stacked on the ceramic substrate, followed by forming electrodes in a predetermined pattern on the secondary ceramic sheet around the hole for heat sink. On the ceramic substrate, an upper ceramic sheet with an opening is stacked to form a stacked ceramic substrate in such a way that a part of the electrodes are exposed through the opening. After co-firing the stacked ceramic substrate, a light emitting diode chip is mounted on the secondary ceramic sheet at a position corresponding to the hole for heat sink. Then, the electrodes are electrically connected with the LED chip, and the LED chip is sealed with insulating resin. A light emitting device using the LED and a fabrication method therefor are also disclosed.
Abstract:
Signs including electrolurninescent lamps are described. In accordance with one embodiment of the present invention a sign includes an electroluminescent lamp integrally formed therewith. The electroluminescent lamp is formed on the sign by using the sign as a substrate for the lamp and performing the steps of screen printing a rear electrode to a front surface of the sign, screen printing at least one dielectric layer over the rear electrode after screen printing the rear electrode to the sign, screen printing a phosphor layer over the dielectric layer to define a desired area of illumination that is smaller in area than the dielectric layer, screen printing a sealant layer over the remaining portion of the dielectric layer, screen printing a layer of indium tin oxide ink to the phosphor layer, screen printing an outlining electrode layer to the sign that outlines the rear electrode, screen printing a background layer onto the sign so that the background layer substantially surrounds the desired area of illumination, and applying a protective coat over the indium tin oxide ink and background layer. The rear electrode of each lamp is screen printed directly to the front surface of the sign, and the other layers of the EL lamp are screen printed over the rear electrode.