Indicator lamp
A display lamp and lens technology, applied in the field of display lamps
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[0027] figure 1 , figure 2 In the display lamp showing the first embodiment of the present invention, the lens 1 for a light-emitting element obtained by forming a transparent synthetic resin material into an approximately truncated cone shape has a light-emitting element mounting portion 3 for arranging a light-emitting element 2 such as an LED at the bottom thereof. , the peripheral wall 4 is inclined so that the angle with the central axis of the lens gradually decreases in three stages from the bottom to the front of the lens. Furthermore, the lens front surface 5 is made flat, and a convex lens portion 6 (R5.78) having a diameter smaller than the width of the lens front surface 5 and having a convex front shape is formed protrudingly from the central portion thereof. The front surface of the lens 5 has a shape in which the outer peripheral edge protrudes slightly in the shape of a flange and expands. The angles between the three-stage slopes of the peripheral wall 4 fr...
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