KR200448857Y1 - Advertising display panel - Google Patents

Abstract

The present invention relates to an advertisement display panel that detects whether an object is approached and the usual mirror mode and an advertisement image mode when the object is approached are selectively displayed on the front surface. Breaking away from the traditional billboard display method that allows the printed image of the advertisement to be projected on the front of the panel, it detects the approach of the object by itself and accordingly, converts the usual mirror mode and the advertisement image mode when the object is approached. In order to maximize the effect, especially when the frame is combined, light leaks into the coupling gap to disperse the consumer's gaze at the same time, while the first frame, the second accommodation groove and the third accommodation groove on the panel frame. It is formed in one piece and slides all equipment inside through each receiving groove. It provides an advertisement display panel that can be easily pushed and configured to have a beautiful appearance and to reduce the cost of the assembly process.

Advertising, display, panel, frame, LED, sensor, light guide plate, bulkhead, receiving groove, springback prevention bar

Description

Advertising display panel {Advertising display panel}

The present invention relates to an advertisement display panel, and more particularly, to an advertisement display panel that detects whether an object is approached and selectively converts between a mirror mode and an advertisement image mode when an object is accessed.

In particular, the advertisement display panel according to the present invention forms a first accommodation groove, a second accommodation groove and a third accommodation groove in an integrated manner inside the panel frame, and slides all the materials in the sliding manner through the respective accommodation grooves. Since the display panel can be configured, the assembling process can be simplified, and thus the mass production efficiency can be shortened in a short time, and the manufacturing cost can be reduced, and the display panel is configured to have a beautiful appearance.

Advertising can be said to be part of marketing to induce consumers to motivate by storing information about products or services in human mind. Today, the importance of advertising is well recognized, and various advertising techniques are performed online or offline, and each advertising medium has its own usefulness.

Conventional billboards used indoors and outdoors are billboards and billboard frame structure consisting of advertising images in the form of paper or film, such as photographs or bromide on the billboard frame and the advertisement image is projected on the front by the brightness of the light emitted from the light source. Was mainstream.

However, the advertisement by the billboard was insufficient to attract people's special attention because it continuously displays the same still image by the same brightness of light.

In addition, the outer frame of the billboard cuts each corner at an angle of 45 degrees, angles the corners, and then fixes the four corners at the inside or the back of the frame with a 'b' or 'b' shaped hinge at each joint. As the billboard was formed to cover the appearance of the billboard by assembling it, the billboard was reduced in productivity due to the complicated assembly process of the outer frame and resulted in an increase in production cost due to the need for additional assembly materials. When driving, light from the light source leaks out through the gap between each frame, which distracts the general public's attention, unlike the original advertising purpose, thus reducing the concentration of the general public's attention to the contents of the advertisement and thus reducing the advertising effect. Has come.

The present invention is devised to solve the above problems,

Breaking away from the traditional advertising method of projecting advertising images such as photographs to the front of the panel by the bright illumination of the back of the advertising image, the advertising display panel of the present invention detects the access of objects by itself and accordingly the usual mirror mode. The present invention provides an advertisement display panel in which advertisement image mode is selectively converted and displayed when approaching objects.

Another object of the present invention is to form the first accommodation groove, the second accommodation groove and the third accommodation groove of each panel frame integrally on the panel frame itself, and simply push all the subsidiary materials through the respective accommodation grooves in a sliding manner. By inserting and fastening and assembling, the assembly process can be simplified and the efficiency of mass production can be reduced within a short time, thereby reducing manufacturing costs. It is designed to fundamentally block light leaking out of the gap between panel frames by itself, so that consumers who have a beautiful appearance and watch the advertisement display panel do not distract from the surrounding environment other than the advertisement purpose without distracting attention from the advertisement display. It allows the panel to focus on the intended advertising purpose I can talk to provide an advertising display panel.

Advertising display panel of the present invention for achieving the above object,

A panel frame in which upper and lower ends of the upper frame and the lower frame, and upper and lower ends of the left frame and the right frame are bolted in a block form;

An LED bar, which is a light source that is mounted to and electrically connected to the second accommodation grooves of the left and right frames of the panel frame by mounting means;

A light guide plate inserted into each of the second accommodation grooves of the left and right frames of the panel frame together with the advertisement image and having a reflective paper attached to the back to diffuse the light of the LED bar, which is a light source, to the front;

The half mirror is inserted into the first receiving groove of the panel frame, and when the front object is detected, the mirror is converted from the mirror mode to the advertisement image mode. Wow;

A formax back plate inserted into a third receiving groove of the panel frame and protecting the inside thereof;

A control circuit board as a drive device;

It is configured to include a sensor.

In addition, another object of the advertisement display panel of the present invention can be achieved by integrally forming the structure of the outer frame.

That is, the upper frame of the advertising display panel,

A frame coupling portion having a plurality of fastening nuts formed at both ends and formed in a U-shape having an opening at a lower portion thereof;

The upper frame inner wall in which a plurality of springback prevention bars protrude toward the compartment from the ceiling surface in the lower region and the center of the first protrusion bar protruding toward the compartment in the lower region of the springback prevention bar of the upper frame inner wall A first accommodation groove formed as a first partition wall having a predetermined length in which a small protrusion bar protrudes from the center portion;

A second accommodating groove formed downwardly at the end of the first protruding bar extending toward the compartment and formed as a second partition having a lower end as the first partition;

A third accommodating groove formed as a third partition wall which is bent downward at the end of the upper frame outer wall and the second protrusion bar protruding toward the compartment from the ceiling surface toward the compartment at a predetermined length; Forming,

In addition, the left frame of the advertising display panel,

The right side is formed into an open U-shape;

A plurality of frame fastening nuts are formed at both ends, and a plurality of through holes penetrating from the upper end to the lower end, and the left frame inner wall protruding to the right from the frame support part having a predetermined thickness in which a groove is formed at the center, and the left frame inner wall. A first accommodating groove which is spaced apart from the predetermined length along the frame supporting part by a first partition wall which protrudes the small protrusion bar upwardly from the center;

A second accommodating groove formed by the first partition wall and a second partition wall which is spaced apart from the first partition wall by a length extending downward from the first partition wall and formed to the same length as the right end of the first partition wall;

A third accommodation groove formed of a left frame outer wall and a third partition formed on the same length as the right end of the second partition wall in a predetermined length upper region along the frame support from the left frame outer wall; It is achieved by forming the integrally.

At this time, the lower frame of the advertising display panel is the same as the configuration of the upper frame and symmetrical when constituting the panel frame is symmetrical in the vertical direction.

In addition, the right frame of the advertisement display panel is the same in symmetry with the configuration of the left frame and symmetric in the left and right directions when configuring the panel frame.

According to the present advertising display panel,

The half mirror, LED light source, and sensor are used to detect when an object approaches or is separated from the advertisement board, which is merely a projection image. Advertisement display panel is provided that can maximize the advertising effect by implementing a selective conversion from the mode to the mirror mode.

In addition, according to the present invention, the first frame, the second housing and the third housing groove is formed integrally in the panel frame so that the half mirror of the display panel, the advertisement image, the light guide plate, and the formax plate, which are the back plate, can be easily along each groove. Since it is a structure that can be pushed in and inserted, the assembly process of the advertising display panel is very simple, and mass production by parts can be performed, thereby reducing the production cost significantly.

In addition, the coupling part of each frame basically blocks the leakage of light from the gap between the frames by the coupling itself (block structure) between each frame, so that the consumers watching the advertisement display panel do not distract attention to the surrounding environment other than the advertisement purpose. It is possible to concentrate on the purpose of advertising has the effect of maximizing the advertising effect.

Prior to the description of the present invention, components having the same configuration in the following description of various embodiments will be described using the same names and the same reference numerals.

That is, for convenience of understanding, the codes for the partial names of the frame structure are expressed as 'bump' as 'g', 'protrusion bar' as d, and 'accommodation groove' as s.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the advertising display panel of the present invention in accordance with an embodiment of the present invention.

Figure 1 is a perspective view of the combination of the advertising display panel of the present invention,

Figure 2 is an exploded perspective view of the advertising display panel of the present invention,

Figure 3a is a main cross-sectional view of the upper frame of the advertising display panel of the present invention,

Figure 3b is a sectional view of the main portion of the lower frame of the advertising display panel of the present invention,

Figure 4a is a cross-sectional view of the main part of the left frame of the advertising display panel of the present invention,

Figure 4b is a cross-sectional view of the main part of the right frame of the advertising display panel of the present invention,

5 is a cross-sectional view taken along line AA and main part of FIG. 1 in which the upper and lower frames, the half mirror, the light guide plate, and the formax plate of the advertisement display panel of the present invention are combined;

Figure 6 is a cross-sectional view of the BB line and main portion of Figure 1 combined the left, right frame, half mirror, light guide plate, formax plate of the present invention advertising panel,

Figure 7 is a perspective view of the upper (lower) frame of the advertising display panel of the present invention,

8 is a perspective view of the left (right) side frame of the advertisement display panel of the present invention.

As shown in Figures 1 and 2, the advertising display panel P of the present invention,

A panel frame (1) in which upper and lower ends of the upper frame (10) and the lower frame (20) and upper and lower ends of the left frame (30) and the right frame (40) are bolted in a block form;

LED bars (2) and (2 '), which are light sources that are mounted to and electrically connected to each second receiving groove (s2) of the panel frame (1);

The LED light source is inserted into the second receiving groove s2 of the left and right frames 30 and 40 of the panel frame 1 together with the advertisement image 3 and a reflector (not shown) is attached to the back side. A light guide plate 4 for diffusing the light of the bars 2 and 2 'to the front;

Inserted into the first receiving groove (s1) of the panel frame (1), when the front of the object is detected is converted from the mirror mode to the advertising image mode, if the front of the object is separated from the sensing distance more than the advertising image mode to the mirror mode A half mirror 5 which is selectively converted;

A formax back plate 6 inserted into the third accommodation groove s3 of the panel frame 1 and protecting the inside thereof;

A control circuit board 7 as a drive device;

It is configured to include a sensor (8).

In this case, the panel frame 1 forms frame coupling parts 11 and 11 'at both ends of the upper and lower frames 10 and 20, and the left and right frames 30, as shown in FIG. Bolted in the form of a block with (40).

The half mirror 5 is inserted into the first accommodating groove s1 of the panel frame 1.

At this time, the half mirror (5) is made so that the reflection or transmission of light can be made ��� according to the difference in illuminance between the front and rear by depositing aluminum with a purity of 99% or more on the surface of the tempered glass in a vacuum state, half When the illuminance of the front surface of the mirror 5 is higher than the illuminance of the rear surface, light is reflected on the aluminum deposition layer when viewed from the front, and the shape of the front object is reflected on the front surface like a normal mirror, and the rear mirror of the half mirror 5 When the illuminance is higher than the illuminance of the front surface, the light from the rear side is transmitted as it is to the front side, and the aluminum deposition layer loses the reflection function of the light and the shape of the object on the back side is transmitted as it is from the front side as seen through ordinary transparent glass. .

The advertisement image 3 and the light guide plate 4 are inserted into the second receiving groove s2 of the panel frame 1.

The advertisement image 3 may be printed on paper or cardboard, and may also be a backlit film.

The light guide plate 4 is preferably a V-cutting light guide plate, and a reflective film (not shown) is attached to the rear surface of the light guide plate 4.

The LED bars 2 and 2 'are preferably LED bars 2 and 2' electrically connected to LED light sources of the same color.

The LED bars 2 and 2 'may also be LED bars 2 and 2' electrically connected to LED light sources of different colors.

The formax back plate 6 is inserted into the third accommodation groove s3 of the panel frame 1.

Each of the LED bars 2 and 2 ′ mounted to the second accommodation grooves s2 of the left and right frames 30 and 40 has a high illuminance of light emitted from a light source and a good straightness. Inserted into each of the second receiving grooves (s2) of the right frame (30), (40) is to go straight into the light guide plate 4 through the side of the light guide plate (4) where the side is in close contact, at this time V-cutting light guide plate (4) When the light refracted and diffused in all directions is transmitted to the front by the reflective film (not shown) attached to the back of the light guide plate, the half mirror 5 loses the mirror mode due to the brightness of the light and the advertisement image is transmitted to the front. Will be manifested.

In addition, as shown in Figures 3a and 7, the upper frame 10 of the panel frame 1,

A frame coupling portion 11 (11 ') having a plurality of fastening nuts 12 formed at both ends thereof, and having a lower portion opening in a U-shape;

The upper frame inner wall 15 in which the plurality of springback prevention bars d4 protrude toward the compartment r from the ceiling surface, and the lower portion of the springback prevention bars d4 of the upper frame inner wall 15. A first accommodation groove formed by a first partition wall g1 having a predetermined length downwardly from the center of the first protrusion bar d1 protruding toward the compartment r in the area and protruding from the center; s1);

A second partition wall g2 formed downwardly bent at an end of the first partition wall g1 and the first protrusion bar d1 extending toward the compartment r and having a lower end as the first partition wall g1; A second accommodation groove (s2) formed of a);

The first frame g1 and the second partition g2 are bent downward at the end of the upper frame outer wall 16 and the second protrusion bar d2 protruding toward the compartment r in the lower region of the predetermined length from the ceiling surface. A third receiving groove (s3) formed of a third partition (g3) having a lower end, such as; is formed integrally.

At this time, the spring back prevention bar (d4), the lower frame 20 made of metal such as aluminum serves to prevent the phenomenon of bending due to external impact or its own elastic force.

At this time, the separation distance between the first partition g1, the second partition g2, and the third partition g3 of the upper frame 10 is the thickness of the half mirror 5, the light guide plate 4, and the formax back plate 6. It is preferable to determine in consideration.

 In this case, a compartment r is formed between the upper frame inner wall 15 and the upper frame outer wall 16 to accommodate the cooling space and the control circuit board 7.

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2, 3b, and 7, the lower frame 20 of the panel frame 1 is the same as the upper frame 10 by being symmetrical with the upper frame 10, and the upper and lower directions when assembling the panel frame 1. Are assembled symmetrically.

At this time, the sensor unit 21 and the wire insertion hole 22 is further drilled in the center of the lower frame 20.

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On the other hand, as shown in Figures 4a and 8, the left frame 30 of the panel frame 1,

The right side is formed into an open U-shape;

Frame fastening nut 31 at both ends and through-hole 32 penetrating from the upper end to the lower end are formed, and the left side frame is formed to the right from the frame support part 34 having a predetermined thickness in which the recess 33 is formed at the center. The inner wall 35 and the left frame inner wall 35 is formed as a first partition (g1) spaced apart from the left along the frame support portion 34 by a predetermined length and protrudes the small protrusion bar (d3) in the center. First receiving groove (s1) and;

The second partition g1 and the second partition formed along the frame support portion 34 extends downwardly from the first partition g1 and extends downwardly to a length equal to the right end of the first partition wall g1. A second accommodation groove s2 formed of the partition wall g2;

The left frame outer wall 36 and the right side of the first partition wall g1 and the second partition wall g2 in a predetermined length along the frame support part 34 from the left frame outer wall 36 to the right side. A third accommodation groove s3 formed of the third partition wall g3 formed; It is formed in one piece.

At this time, the through-hole 32, the frame fastening nut 31 is formed on both upper and lower ends, and serves to prevent the left frame 30 made of a metal such as aluminum to bend due to external impact or its own elastic force. .

In this case, the distance between the first partition g1, the second partition g2, and the third partition g3 of the left frame 30 is the thickness of the half mirror 5, the light guide plate 4, and the formax back plate 6. In consideration of the above, the upper frame 10 and the lower frame 20 are formed at the same distance.

In addition, as shown in FIGS. 4B and 8, the right frame 40 of the panel frame 1 is symmetrically symmetric with the left frame 30, and is assembled symmetrically in the left and right directions when assembling the panel frame 1. do.

The panel by receiving the left frame 30, the right frame 40, respectively, in the coupling portion 11 of each end of the upper frame 10, the lower frame 20 formed as described above and bolted in a block form The configuration of the frame 1 is completed.

The following describes in detail the working effect of the present invention advertising display panel (P) through a preferred embodiment.

In this embodiment, the SMD3528, CHIP WHITE LED is used as the light source, the light guide plate is a 5T acrylic plate with a surface solid V-cutting pattern, and the photoelectric sensor for short-range detection (within the sensing distance of 2 meters) of CE international standard is used as a detection sensor. The mirror is vacuum-deposited aluminum on the glass surface, the reflective sheet is a high-reflection PVC sheet, the control circuit board is a logic I / C circuit DC board, the advertisement image is a dedicated backlit film, and the back panel is a black Formax plate.

First, the sensor 8 is mounted in the sensor sensor hole 21 drilled in the center of the compartment r of the lower frame 20 and wired to the control circuit board 7.

Next, the adapter wire 23 of the power source is inserted into the wire insertion hole 22 of the lower frame 20 to couple the wire catching pins (not shown) and connect the wires to the control circuit board 7.

 Next, the two LED bars (2) (2 ') are mounted to each of the second accommodation grooves (s2) of the left frame (30) and the right frame (40) by mounting means, and the wiring is allowed to be controlled. Wire connections to the circuit board 7 respectively.

Next, the left and right frames 30 and 40 are respectively accommodated in the frame coupling parts 11 and 11 'at both ends of the lower frame 20, and bolted with hexagonal wrenches in the form of blocks. Semi-assemble (1) into U shape.

Next, the second left and right frames 30 and 40 of the panel frame 1 semi-assembled in a U shape with the advertisement image 3 superimposed on the front surface of the light guide plate 4 facing each other. It slides easily into the receiving groove (s2).

Next, the control circuit board 7 connected to the LED bar, the detection sensor, and the adapter wires is attached to the proper position on the rear side of the reflective film of the light guide plate 4 by attaching means.

Next, the Formax back plate 6 is slide-inserted into the left and right frames 30 and 40 of the panel frame 1 semi-assembled in a U shape, respectively, into the third accommodation groove s3.

Next, the half mirror 5 is slide-inserted into the first accommodation groove s1 of the left, right frame 30, and 40 of the panel frame 1, which is semi-assembled in a U shape.

Next, the upper frame 10 at the top of the semi-assembled U-shaped panel frame (1) in the form of a block to the upper end of the left, right frame 30, 40 in a block form and simple by bolting with a hexagon wrench And easily complete the advertising display panel (P).

When the power is connected to the completed advertisement display panel (P) as described above, the coupling part of the panel frame (1) is closely coupled in the form of a block so that no light leaks out and the object is within 2 meters in front of the half mirror (5). When this approach is detected, the sensor 8 is activated so that the advertisement display panel (P) is converted from the mirror mode to the advertisement image mode and the advertisement image is clearly displayed on the front side.

Similarly, when the object in front of the object is more than the sensing distance of the advertising display panel of the present invention, the advertising image mode is converted to the mirror mode again.

Although the configuration and operation effects of the present invention have been described in detail through the preferred embodiments, the scope of the present invention is not limited to the above-described embodiments and various embodiments of various forms within the appended utility model registration claims. It may be implemented as, but various modifications within the scope not departing from the gist of the present invention claimed in the utility model registration claim for the present invention is within the scope of the rights of the utility model registration claim of the present invention. Do.

1 is a perspective view of a combination of the present display advertising display panel

Figure 2 is an exploded perspective view of the advertising display panel of the present invention

Figure 3a is a sectional view of the main part of the upper frame of the advertising display panel of the present invention

Figure 3b is a cross-sectional view of the main part of the lower frame of the advertising display panel of the present invention

Figure 4a is a sectional view of the main part of the left frame of the advertising display panel of the present invention

Figure 4b is a cross-sectional view of the main part of the right frame of the advertising display panel of the present invention

5 is a cross-sectional view taken along line AA and main part of FIG. 1 in which an upper, lower frame, a half mirror, a light guide plate, and a formax plate are combined with an advertisement display panel of the present invention;

Figure 6 is a cross-sectional view of the BB line and main portion of Figure 1 combined the left and right frame and the half mirror, the light guide plate, the formax plate of the advertising display panel of the present invention

Figure 7 is a perspective view of the upper (lower) frame of the advertising display panel of the present invention

Figure 8 is a perspective view of the left (right) side frame of the advertising display panel of the present invention.

<Description of the symbols for the main parts of the drawings>

P Advertising Display Panel

1 Panel frame 2, 2 ′ LED bar 3 Advertising image 4 Light guide plate

5 Half mirror 6 Formax rear panel 7 Control circuit board 8 Sensor

10 Upper frame 20 Lower frame 30 Left frame 40 Right frame

11 Frame joint 12 Fastening nut 13 Replacement groove 14 Opening and closing member

15 Upper frame inner wall 16 Upper frame outer wall

21 Detection sensor hole 22 Wire insertion hole 23 Adapter wire

s1 1st receiving groove s2 2nd receiving groove s3 3rd receiving groove

g1 First bulkhead g2 Second bulkhead g3 Third bulkhead

 d1 first protrusion bar d2 second protrusion bar d3 small protrusion bar d4 springback prevention bar

          r compartment

31 Frame fastening nut 32 Through hole 33 Groove 34 Frame support

35 Left frame inner wall 36 Left frame outer wall

Claims (10)

delete A panel frame (1) in which upper and lower ends of the upper frame (10) and the lower frame (20) and upper and lower ends of the left frame (30) and the right frame (40) are bolted in a block form; LED bars (2) and (2 '), which are light sources that are mounted to and electrically connected to each second receiving groove (s2) of the panel frame (1); The LED bar 2 which is inserted into the second accommodation groove s2 of the left and right frames 30 and 40 of the panel frame 1 together with the advertisement image 3 and a reflector is attached to the back of the LED bar 2. A light guide plate 4 for diffusing light of 2 'to the front; Inserted into the first receiving groove (s1) of the panel frame (1), when the front of the object is detected is converted from the mirror mode to the advertising image mode, if the front of the object is separated from the sensing distance more than the advertising image mode to the mirror mode A half mirror 5 which is selectively converted; A formax back plate 6 inserted into the third accommodation groove s3 of the panel frame 1 and protecting the inside thereof; A control circuit board 7 as a drive device; In the advertising display panel comprising a detection sensor (8), The upper frame 10, A frame coupling portion 11 (11 ') having a plurality of fastening nuts 12 formed at both ends thereof, and having a lower portion opening in a U-shape; The upper frame inner wall 15 in which the plurality of springback prevention bars d4 protrude toward the compartment r from the ceiling surface, and the lower portion of the springback prevention bars d4 of the upper frame inner wall 15. A first accommodation groove formed by a first partition wall g1 having a predetermined length downwardly from the center of the first protrusion bar d1 protruding toward the compartment r in the area and protruding from the center; s1); A second partition wall g2 formed downwardly bent at an end of the first partition wall g1 and the first protrusion bar d1 extending toward the compartment r and having a lower end as the first partition wall g1; A second accommodation groove (s2) formed of a); The first partition wall is bent downward at the end of the upper frame outer wall (16) and the second protrusion bar (d2) protruding toward the compartment (r) in the lower region of the same height as the first protrusion bar (d1) from the ceiling surface (g1), the third receiving groove (s3) formed of a third partition (p3) having a lower end, such as the second partition (g2); advertising display panel characterized in that it is formed integrally. delete According to claim 2, The upper frame 10 is characterized in that the plurality of spring back prevention bar (d4) is formed in the lower region of the predetermined length from the ceiling surface of the compartment (r) side of the upper frame inner wall (15). Advertising display panel. delete The method of claim 2, wherein the left frame 30, The right side is formed into an open U-shape; Frame fastening nut 31 at both ends and through-hole 32 penetrating from the upper end to the lower end are formed, and the left side frame is formed to the right from the frame support part 34 having a predetermined thickness in which the recess 33 is formed at the center. The inner wall 35 and the left frame inner wall 35 is formed as a first partition (g1) spaced apart from the left along the frame support portion 34 by a predetermined length and protrudes the small protrusion bar (d3) in the center. First receiving groove (s1) and; The second partition g1 and the second partition formed along the frame support portion 34 extends downwardly from the first partition g1 and extends downwardly to a length equal to the right end of the first partition wall g1. A second accommodation groove s2 formed of the partition wall g2; The left frame outer wall 36 and the right side of the first partition wall g1 and the second partition wall g2 in a predetermined length along the frame support part 34 from the left frame outer wall 36 to the right side. A third accommodation groove s3 formed of the third partition wall g3 formed; Advertising display panel, characterized in that formed in one piece. delete The method of claim 2, wherein the half mirror 5 is a surface of the tempered glass by depositing aluminum having a purity of 99% or more in a vacuum state so that the reflection or transmission of light can be made according to the difference in illuminance between the front and rear surfaces. When the illuminance on the front is higher than the illuminance on the back, light is reflected on the aluminum deposition layer when viewed from the front, and the shape of the front object is reflected on the front like a normal mirror. As the light is transmitted to the front as it is, the aluminum deposition layer loses the light reflection function and the shape of the object on the back is seen from the front as seen through the normal transparent glass. delete delete

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