Advertising apparatus using half-mirror

• US 20060242867A1
• Filed: 04/29/2005
• Published: 11/02/2006
• Est. Priority Date: 04/29/2005
• Status: Abandoned Application

• Current Assignee: Jong Weon Choi
• Original Assignee: Jong Weon Choi
• Inventors: Choi, Jong Weon
• Application Number:
  US11/117,609
• Publication Number:
  US 20060242867A1
• Time in Patent Office: Days
• US Class Current: 40/219
• CPC Class Codes: G09F 13/12 using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated

Abstract

The advertising apparatus using half-mirror is an apparatus having a half-mirror, an advertising print located behind the half-mirror, a lamp unit located behind the advertising print, a frame member enclosing both the half-mirror and the lamp unit, a sensor located in the frame member and controlling operation of the lamp unit, and a power supply linked to the lamp unit and the sensor. The apparatus controls the display of advertising images through a back light with low power consumption and high brightness through use of the half-mirror and the sensor.

Claims

1. An advertising apparatus, comprising:

a half-mirror;

an advertising print located behind the half-mirror;

a lamp unit located behind the advertising print;

a frame member enclosing both the half-mirror and the lamp unit;

a sensor located in the frame member and controlling operation of the lamp unit; and

a power supply linked to the lamp unit and the sensor.

2. The advertising apparatus according to claim 1, wherein the advertising print comprises a light permeable panel.

3. The advertising apparatus according to claim 1, wherein the lamp unit comprises:

at least one lamp;

a light guide panel located behind the advertising panel;

a lamp housing connected to one end of the light guide panel and housing the lamp; and

a reflective panel located behind the light guide panel.

4. The advertising apparatus according to claim 3, wherein the at least one lamp comprises a cold cathode fluorescent lamp.

5. The advertising apparatus according to claim 3, wherein the light guide panel has a plurality of light scattering fragments for adjusting light scattering angles in the light guide panel.

6. The advertising apparatus according to claim 3, wherein the reflective panel forms a plane mirror for reflecting light from the lamp.

7. The advertising apparatus according to claim 1, wherein the frame member comprises a front frame and a rear frame attached to each other.

8. The advertising apparatus according to claim 1, wherein the sensor comprises a sensor selected from the group consisting of an optical sensor, an infrared ray sensor, and an ultrasonic sensor.

9. The advertising apparatus according to claim 1, wherein the sensor is located in a front of the frame member.

10. The advertising apparatus according to claim 1, wherein the power supply comprises a power controller supplying electrical power and an inverter electrically connected to the power controller.

11. An advertising apparatus using half-mirror, comprising:

a half-mirror having a front face and a rear face, the half-mirror reflecting light when the rear face is dark and transmitting light when illuminated from the rear face;

a lamp unit disposed behind the half-mirror, the lamp unit having a light guide panel facing the half-mirror, at least one lamp disposed along an edge of the light guide panel, a lamp housing directing illumination from the lamp into the edge of the light guide panel; and

a reflector panel disposed behind the light guide panel;

a frame member enclosing the half-mirror and the lamp unit, the frame being adapted for receiving an advertising print between the half-mirror and the lamp unit, the advertising print being a light permeable panel having advertising indicia disposed thereon;

a sensor electrically connected to the lamp unit for detecting a person approaching the frame; and

a power supply electrically connected to the sensor and the at least one lamp, the sensor switching the lamp on when a person approaches the frame in order to display the advertising print, and switching the lamp off when the person moves away from the frame to conserve power.

12. The advertising apparatus according to claim 11, wherein said light guide panel has a plurality of V-shaped grooves defined therein for refracting light from the lamp toward the advertising print and towards the reflector panel.

13. The advertising panel according to claim 11, wherein said light guide panel comprises means for diffusing light from the lamps through said panel with uniform brightness.

14. The advertising panel according to claim 11, wherein said light guide panel comprises a plurality of light scattering fragments disposed therein for diffusing light from the lamps through said panel with uniform brightness.

15. The advertising panel according to claim 14, wherein said scattering fragments are distributed in said light guide panel in increasing density with increasing distance from the edge of said panel adjacent said lamp.

16. The advertising panel according to claim 14, wherein said scattering fragments comprise a diffusion ink incorporated into said light guide panel.

17. The advertising panel according to claim 16, wherein said light guide panel is made from plastic.

18. The advertising panel according to claim 16, wherein said light guide panel is made from acrylic.

19. The advertising panel according to claim 11, wherein said at least one lamp comprises a cold cathode fluorescent lamp.

20. The advertising panel according to claim 11, wherein said reflector panel comprises a plane mirror.