JPH0455523U - - Google Patents

Description

[Brief explanation of the drawing]

1 to 8 are diagrams for explaining an embodiment of a long light source measuring device according to the present invention, in which FIG. 1 is a schematic diagram of an LED array measuring device, and FIG. 2 is a schematic diagram of the same device. Figure 3 is a flowchart of the measurement program, Figure 4 is a diagram showing a virtual memory map of the memory in which data on the illuminance distribution and cross-sectional light intensity deviation is stored, and Figure 5 is a diagram showing the illuminance distribution in the LED array. Graph showing optical characteristics, Figure 6 is a graph showing optical characteristics of cross-sectional light intensity deviation in the LED array, Figure 7 is a schematic diagram showing the internal structure of the LED array, Figure 8 a, b, c are cross sections of the LED array. They are a figure, a front view, and a side view. FIG. 9 is a diagram for explaining a conventional LED array measuring device, and corresponds to FIG. 1. 10... LED array, 20... Mounting table, 30
...Linear pulse motor, 40...CCD.

Claims (1)

[Scope of utility model registration request] It is characterized by comprising a charge-coupled device that detects the light emission output in the width direction of a long light source placed on a measuring table, and a linear pulse motor that linearly drives the charge-coupled device in the longitudinal direction of the long light source. Long light source measuring device.