1. A display device comprising:
a base material;
5 a picture pattern layer formed on a front surface of the base material;
a plurality of light emitting units fixed to a front surface of the picture pattern layer
and each containing an inorganic LED element; and
a control unit configured to drive the plurality of light emitting units.
10 2. A display device comprising:
a base material having light transmittance;
a picture pattern layer formed on a back surface of the base material;
a plurality of light emitting units formed on a front surface of the base material and
each containing an inorganic LED element; and
15 a control unit configured to drive the plurality of light emitting units.
3. The display device according to claim 1 or 2, comprising:
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a surface protective layer provided to cover the plurality of light emitting units and
the surface to which the plurality of light emitting units is fixed and having light
transmittance.
5 4. The display device according to claim 3, wherein the surface protective
layer contains a light-transmitting shaped sheet formed with a recessed shape or a
projection shape in a surface opposite to a side facing the light emitting units of the surface
protective layer.
10 5. A display device comprising:
a colored sheet;
a plurality of light emitting units fixed to a front surface of the colored sheet and
each containing an inorganic LED element;
a surface protective layer provided to cover the plurality of light emitting units and
15 the surface to which the plurality of light emitting units is fixed and having light
transmittance;
a pattern forming layer provided on a surface on a side facing the light emitting
units of the surface protective layer and configured to impart a pattern to light from the
plurality of light emitting units and transmit the light; and
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a control unit configured to drive the light emitting units.
6. The display device according to claim 5, wherein the surface protective
layer contains a light-transmitting shaped sheet formed with a recessed shape or a
5 projection shape in a surface opposite to the side facing the light emitting units.
7. The display device according to claim 6 comprising:
a transparent sheet having light transmittance between a surface on which the
pattern forming layer is provided of the shaped sheet and the light emitting units.
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8. The display device according to any one of claims 5 to 7, wherein the
colored sheet includes: a base material; and an ink layer applied to the base material and
configured to lower visibility of an installation surface of the display device and the base
material.
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9. The display device according to claim 8, wherein
the light emitting units are provided on a front surface of the base material,
circuit wiring lines electrically connecting the light emitting units and the control
unit are provided on the front surface of the base material, and
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the ink layer has a color lowering visibility of the installation surface of the display
device, the base material, and the circuit wiring lines and is formed on the base material
and the circuit wiring lines.
5 10. The display device according to any one of claims 5 to 7, wherein
the colored sheet includes: a base material; and a concealing sheet arranged on the
base material,
the light emitting units are provided on a front surface of the base material,
circuit wiring lines electrically connecting the light emitting units and the control
10 unit are provided on the front surface of the base material, and
the concealing sheet is a sheet lowering visibility of an installation surface of the
display device, the base material, and the circuit wiring lines, has through holes through
which the light emitting units pass at positions facing the light emitting units, and is
arranged on the circuit wiring lines to make the light emitting units and the through holes
15 face each other