RESIN COATING DEVICE IN LED PACKAGE MANUFACTURING SYSTEM
There are preliminarily prepared element characteristic information 12 that is obtained by individually, previously measuring emission characteristics of a plurality of LED elements and resin coating information 14 that makes a coating quantity of resin appropriate for obtaining an LED package exhibiting a specified emission characteristic correlated with the element characteristic information. A map preparation processing section 74 prepares, for each substrate, map data 18 that correlate mounting position information 71 a showing positions of LED elements mounted on the substrate by a component mounting device M 1 with the element characteristic information 12 . An emission characteristic inspection device M 7 inspects finished products coated with a resin, and inspection results are fed back to the resin coating device M 4 . Resin coating information M 14 is updated according to the inspection results.
1 . A resin coating device in an LED package manufacturing system of the present invention corresponds to a resin coating device that coats a plurality of LED elements mounted on a substrate by a component mounting device in an LED package manufacturing system that manufactures LED packages by coating the LED elements mounted on the substrate with a phosphor-containing resin, the LED packaging manufacturing system comprising:
an element characteristic information providing unit that provides, as element characteristic information, information obtained by section of preliminarily, individually measuring emission characteristics including emission wavelengths of the plurality of LED elements;
a resin information providing unit that provides, as resin coating information, information which makes a coating quantity of resin appropriate for obtaining an LED package having a specified emission characteristic correlated with the element characteristic information;
a map data preparation unit that prepares, for each substrate, map data which correlate mounting position information showing positions of the LED elements mounted on the substrate by the component mounting device with the element characteristic information about the LED elements, and transmits the map data to the resin coating device;
an emission characteristic inspection device that inspects emission characteristics of the LED resin applied over the LED elements, to thus detect deviations from a specified emission characteristic, and that feeds back inspection results to the resin coating device;
a coating information updating unit that, when the detected deviations exceed an allowable value, performs processing for updating the resin coating information according to the fed-back inspection results; and
a resin coating control unit that includes a resin discharge mechanism for discharging the resin fed from a resin feed section from a discharge nozzle and a relative movement mechanism for relatively moving the discharge nozzle with respect to the substrate and that controls the resin discharge mechanism and the relative movement mechanism according to the transmitted map data and the transmitted resin coating information, thereby coating the respective LED elements with resin having coating quantities appropriate for exhibiting the specified emission characteristic.
2 . The resin coating device in an LED package manufacturing system according to claim 1 , wherein:
the component mounting device, the resin coating device, and the emission characteristic inspection device are connected to a LAN system;
the element characteristic information providing unit and the resin information providing unit transmit the element characteristic information and the resin coating information read from an external storage section to the component mounting device and the resin coating device by way of the LAN system; and
the emission characteristic inspection device transmits the inspection results to the resin coating device by way of the LAN system.
3 . The resin coating device in an LED package manufacturing system according to claim 1 , wherein the map data preparation unit is provided in the component mounting device, and the map data is transmitted from the component mounting device to the resin coating device.
4 . The resin coating device in an LED package manufacturing system according to claim 1 , wherein the coating information updating unit is provided in the resin coating device.