Graphite base suitably used for fabricating light emitting diode
A technology of light-emitting diodes and graphite bases, which is applied in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems affecting LED uniformity and edge yield, improve uniformity and edge yield, and reduce Side area, avoiding the effect of temperature unevenness
Active Publication Date: 2017-02-22
HC SEMITEK ZHEJIANG CO LTD
View PDF5 Cites 2 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Under the action of centrifugal force, the side of the LED will be close to the side wall near the edge of the graphite base in the groove, and the temperature of the side where the LED contacts the graphite base is significantly higher than that of other sides, which affects the uniformity and edge yield of the LED.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0027] Embodiments of the present invention provide a graphite base suitable for making light-emitting diodes, see figure 1 and figure 2 , the graphite base 10 is disc-shaped, the graphite base 10 is provided with several grooves 20, and the side walls of the grooves 20 are provided with several bumps 30 for suspending the light-emitting diodes placed in the grooves 20, see image 3 and Figure 4 , the bump 30 includes a first step 31, a second step 32 and a third step 33 arranged in sequence along the extending direction of the groove, and the area 41 surrounded by all the first steps 31 is larger than the area 42 surrounded by all the second steps 32 The area of the region 42 surrounded by all the second steps 32 is larger than the size of the light emitting diode, and the area 43 surrounded by all the third steps 33 is smaller than the size of the light emitting diode.
[0028] Optionally, see image 3 , the area of the region 41 surrounded by all the first steps 31...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a graphite base suitably used for fabricating a light emitting diode, and belongs to the technical field of a semiconductor. The graphite base is in a round disc shape, wherein a plurality of grooves are formed in the graphite base, a plurality of convex blocks are arranged on a side wall of each groove and are used for placing the light emitting diode in the groove in a suspension way, each convex block comprises a first step, a second step and a third step which are sequentially arranged along an extension direction of the groove, the area of a region encircled by all first steps is larger than the area of a region encircled by all second steps, the area of a region encircled by all second steps is larger than the size of the light emitting diode, and the area of a region encircled by all third steps is smaller than the size of the light emitting diode. By the graphite, base, the uniformity and the edge yield of the light emitting diode are improved.
Description
technical field [0001] The invention relates to the technical field of semiconductors, in particular to a graphite base suitable for making light-emitting diodes. Background technique [0002] Semiconductor light-emitting diodes (English: Light Emitting Diodes, referred to as LED) have the advantages of high efficiency, energy saving, and environmental protection. They are widely used in traffic indication, outdoor full-color display and other fields. Become a new generation of light source and enter thousands of households, causing a revolution in the history of human lighting. [0003] LEDs are typically placed on a graphite base during fabrication. The graphite base is a disc with high-purity graphite as the base material and a layer of SiC coating on it. A plurality of grooves are arranged on the disk, and a plurality of LEDs are suspended in different grooves respectively. [0004] In the process of realizing the present invention, the inventor finds that there are a...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H01L21/673H01L33/00
CPCH01L21/673H01L33/005
Inventor 周飚胡任浩胡加辉
Owner HC SEMITEK ZHEJIANG CO LTD