1. A light-mixing type LED package structure for increasing color render index, comprising:
a substrate unit having at least one substrate body and at least two chip-placing areas formed on the at least one substrate body;
a light-emitting unit having at least one first light-emitting module for generating a first color temperature and at least one second light-emitting module for generating a second color temperature, wherein the at least one first light-emitting module has a plurality of first light-emitting chips electrically disposed on one of the chip-placing areas of the substrate unit, the at least one second light-emitting module has a plurality of second light-emitting chips electrically disposed on the other chip-placing area of the substrate unit, and each first light-emitting chip and each second light-emitting chip are blue light-emitting chips;
a frame unit having at least two annular resin frames surroundingly formed on a top surface of the substrate body by coating, wherein the at least two annular resin frames respectively surround the at least one first light-emitting module and the at least one second light-emitting module in order to form at least two resin position limiting spaces above the substrate body; and
a package unit having at least one first translucent package resin body and at least one second translucent package resin body both disposed on the substrate body and respectively covering the at least one first light-emitting module and the at least one second light-emitting module, wherein the at least one first translucent package resin body and the at least one second translucent package resin body are limited in the at least two resin position limiting spaces.
2. The light-mixing type LED package structure according to claim 1, wherein the substrate body has a circuit substrate, a heat-dissipating layer disposed on a bottom surface of the circuit substrate, a plurality conductive pads disposed on a top surface of the circuit substrate, and an insulative layer disposed on the top surface of the circuit substrate in order to expose the conductive pads.
3. The light-mixing type LED package structure according to claim 1, wherein the at least one first translucent package resin body is a phosphors with a first color, and light beams generated by the blue light-emitting chips pass through the at least one first translucent package resin body for generating yellow beams about 3500\xb1500 K color temperature, wherein the at least one second translucent package resin body is a phosphors with a second color, and light beams generated by the blue light-emitting chips pass through the at least one second translucent package resin body for generating white beams about 6500\xb1500 K color temperature.
4. The light-mixing type LED package structure according to claim 1, wherein the light wavelengths of each first light-emitting chips and each second light-emitting chip are between 400 nm and 500 nm.
5. The light-mixing type LED package structure according to claim 1, wherein the first color temperature generated by the at least one first light-emitting module is smaller than the second color temperature generated by the at least one second light-emitting module.
6. The light-mixing type LED package structure according to claim 1, wherein the at least two annular resin frames are phosphor resins.
7. The light-mixing type LED package structure according to claim 1, wherein the at least two annular resin frames are selectively separated from each other or connected with each other, and the at least two annular resin frames are disposed on the substrate body in parallel.
8. The light-mixing type LED package structure according to claim 1, wherein each annular resin frame has an arc shape formed on a top surface thereof, each annular resin frame has a radius tangent and the angle of the radius tangent relative to the top surface of the substrate body is between 40\xb0 and 50\xb0, the maximum height of each annular resin frame relative to the top surface of the substrate body is between 0.3 mm and 0.7 mm, the width of a bottom side of each annular resin frame is between 1.5 mm and 3 mm, the thixotropic index of each annular resin frame is between 4 and 6, and each annular resin frame is a white thermohardening resin frame mixed with inorganic additive.
9. The light-mixing type LED package structure according to claim 1, wherein the substrate body has a substrate and a conductive unit disposed on the substrate, the conductive unit has at least one first conductive element, a plurality of second conductive elements and at least one third conductive element, the at least one first conductive element, the second conductive elements and the at least one third conductive element are separated from each other, and the first light-emitting chips and the second light-emitting chips are selectively disposed on the conductive unit.
10. The light-mixing type LED package structure according to claim 9, wherein the at least one first conductive element has a first fishbone extending portion, each second conductive element has a second fishbone extending portion, a first connection portion extended outwards from one end of the second fishbone extending portion and a first fishbone opening passing through the first connection portion, the at least one third conductive element has a second connection portion and a second fishbone opening passing through the second connection portion, the first fishbone extending portion is received in the first fishbone opening of first one of the second conductive elements, the second fishbone extending portion of last one of the second conductive elements is received in the second fishbone opening of the at least one third conductive element, and each second fishbone extending portion of the other second conductive elements is received in each first fishbone opening of the adjacent second conductive element.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An exhaust device for an image display, comprising:
a supporter supported by a back cover of the image display, protruded toward an inside of the image display, and having inner and outer openings formed therein forming an exhaust channel; and
an exhaust cover supported by the supporter, making a section of the exhaust channel hollow and making the exhaust channel diverge.
2. The device according to claim 1, wherein outer measurements of the outer opening are larger than those of the inner opening and the exhaust cover covers a projected area of the inner opening of the supporter.
3. The device according to claim 1, wherein at least a part of the supporter is formed in the shape of a curved surface.
4. The device according to claim 1, wherein a center of the exhaust cover is protruded toward the inner opening of the supporter.
5. The device according to claim 1, wherein a curvature radius of an inner surface of the exhaust cover becomes larger as the inner surface’s position is moved from an inside to an outside of the image display.
6. The device according to claim 1, wherein the exhaust cover is fixed to the supporter at a center thereof.
7. The device according to claim 6, wherein the exhaust cover has at least one reinforcing rib.
8. An exhaust device for an image display, comprising:
supporter supported by a back cover of the image display, and having inner and outer openings formed therein to thereby form an exhaust channel; and
an exhaust cover supported by the supporter and having a shape of a cone of which an outer surface forms a guide surface, the guide surface facing an inside of the image display.
9. The device according to claim 8, wherein the supporter has a barrier wall formed at an outer surface thereof and extended toward an inside of the image display, the barrier wall being more extended toward the inside than the inner opening.
10. The device according to claim 9, wherein an opening formed by the barrier wall is larger in area than the inner opening.
11. The device according to claim 9, wherein an opening formed by the barrier wall is smaller in area than the outer opening.
12. The device according to claim 8, wherein a gap between the supporter and the exhaust cover at the inner opening is larger than a gap between the supporter and the exhaust cover at the outer opening.
13. The device according to claim 8, wherein the supporter has a connection part formed therein and extended from the inner opening, the connection part being connected with the exhaust cover.
14. The device according to claim 8, wherein a curvature radius of at least a part of the guide surface becomes greater as the guide surface’s position is moved from the inner opening to the outer opening.
15. The device according to claim 8, wherein an area of the guide surface increases as the guide surface extends from the inner opening to the outer opening.
16. The device according to claim 8, wherein an area of the guide surface at the outer opening is larger than an area of the inner opening.
17. The device according to claim 8, wherein the guide surface has a light reflection blocker formed thereon.
18. An exhaust device for an image display, comprising:
a supporter having one end and the other end and a connection part, the one end forming an inner opening facing a cooling fan installed at the image display, the other end being fixed to a back cover of the image display to thereby form an outer opening, the connection part being supported by a support rib extended from the inner opening; and
an exhaust cover connected to the supporter, an occupation area of the exhaust cover on the exhaust channel becoming larger as the exhaust cover’s position is moved from the inner opening to the outer opening, so that exhaust air emitted through the inner opening to the outer opening is emitted to an peripheral part of the outer opening.
19. The device according to claim 18, wherein an occupation area of the exhaust cover at the outer opening is larger than an area of the inner opening.
20. The device according to claim 18, wherein the exhaust cover is horn-shaped.