Display apparatus, manufacturing method thereof, pattern display method, blind apparatus, and blind method
a technology of display apparatus and manufacturing method, which is applied in the direction of lighting and heating apparatus, semiconductor devices for light sources, instruments, etc., can solve the problems of limited application of spot illumination, and achieve the effect of not impaired by transparency of display apparatus, excellent visibility, and small area
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first embodiment
[0074]FIG. 1 to FIG. 4 show a display apparatus 10 as the present invention. FIG. 1 is a perspective view schematically showing the display apparatus 10. FIG. 2 is a cross-sectional view of the display apparatus 10. FIG. 3 is an enlarged view of a main part of the display apparatus 10. FIG. 4 is a plan view of a dot-like reflection portion 2.
[0075]The display apparatus 10 includes: a light guide plate 1; and a light source 6 provided on an edge face 1a of the light guide plate 1.
[0076]As the light source 6, an LED, an LD (a laser diode), or the like can be used. It is preferable that the light source 6 be extendingly formed along an extending direction of the light guide plate 1. In the example shown in the figure, the light source 6 is extendingly formed along one edge face 1a of the substantially rectangular light guide plate 1.
[0077]As the light source 6, for example, one in which a plurality of LEDs are arranged in a direction along the edge face 1a can be used. Exemplary colors...
second embodiment
[0124]Next, a display apparatus of the present invention will be explained. In the following description, constituent elements in common with those shown in FIG. 1 are designated with like reference numerals, and their description is omitted.
[0125]As shown in FIG. 15 and FIG. 16, a display apparatus 20 includes: a first and second light guide plates 21, 22; and a first and second light sources 25, 26. The display apparatus 20 is different from the display apparatus 10 shown in FIG. 1 in that two light guide plates are provided.
[0126]The first and second light guide plates 21, 22 are stacked. On one edge face 21a of the first light guide plate 21, a first light source 25 is provided. On the other edge face 22a of the second light guide plate 22, a second light source 26 is provided.
[0127]On a back surface 21c of the first light guide plate 21, a first display portion 23 made of a plurality of dot-like reflection portions 2 is formed. The dot-like reflection portions 2 are positioned ...
third embodiment
[0137]Next, a display apparatus of the present invention will be explained.
[0138]As shown in FIG. 18, a display apparatus 30 includes: first to third light guide plates 31 to 33; and first to third light sources 37 to 39.
[0139]On back surfaces of the first to third light guide plates 31 to 33, there are respectively formed first to third display portions 34 to 36 made of a plurality of dot-like reflection portions 2.
[0140]The display apparatus 30 is different from the display apparatus 20 shown in FIG. 15 in that the first to third light guide plates 31 to 33 are disposed in a spaced-apart manner in the thickness direction.
[0141]The first to third light sources 37 to 39 axe respectively provided on an edge face 31a of the first light guide plate 31, an edge face 32a of the second light guide plate 32, and an edge face 33a of the third light guide plate 33.
[0142]In the display apparatus 30, the first to third light guide plates 31 to 33 are arranged in a spaced-apart manner in the th...
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