CN102819989A - Transparent display module and application thereof - Google Patents

Abstract

The invention discloses a transparent display module and application thereof, wherein the transparent display module comprises: transparent panel, auxiliary light source device and mounting. The transparent panel is provided with a first surface and a second surface, wherein the first surface is a display surface, and the second surface is a surface opposite to the display surface. The fixing member has a clamping portion and a fixing portion. The clamping part is provided with a groove; one end of the fixing part is connected with the clamping part, the other end of the fixing part is fixedly arranged on one side edge of the transparent panel, and the opening direction of the groove is the same as the direction of the second surface of the transparent panel. The auxiliary light source device is accommodated in the groove and has a light projection direction which is substantially opposite to the display direction of the display surface.

Description

Transparent display module and its application

technical field

The present invention relates to a display module and its application, in particular to a transparent display module and its application.

Background technique

Transparent displays inherently involve some degree of light transmission. Therefore, in addition to the original display function, it also has the characteristics of being able to display the background behind the screen. In addition to being applicable to, for example, glass exterior walls of buildings, vehicle windows and large commercial displays, it can also be used in shop windows or commodity displays. The display window of the cabinet, in order to achieve the purpose of simultaneously displaying the content of the advertising image and displaying the product.

In order to highlight or beautify the display items, commodity display cabinets generally configure lighting in the display space. However, in the existing lighting design, the light sources are usually concentrated on the top, side or back of the display items, while ignoring the front of the display items facing the display window (transparent display). Since the backlight and side light projected on the display items are relatively strong, the front of the items that are most easily seen by the user is underexposed, resulting in a silhouette phenomenon, so that the front of the display items cannot be clearly recognized. In addition, the visual interference of the displayed content of the transparent display will seriously affect the display quality of the item.

Therefore, there is a need to provide a transparent display module and its application device to solve the problems faced by the prior art.

Contents of the invention

In view of this, the present invention provides a transparent display module, which includes: a transparent panel, an auxiliary light source device and a fixing piece. The transparent panel has a first surface and a second surface, wherein the first surface is a display surface, and the second surface is a surface opposite to the display surface. The fixing part has a clamping part and a fixing part. The clamping portion has a groove; one end of the fixing portion is connected to the clamping portion and the other end is fixed to one side of the transparent panel, wherein the opening direction of the groove is in the same direction as the second surface of the transparent panel. The auxiliary light source device is accommodated in the groove and has a light projection direction substantially opposite to the display direction of the display surface.

In an embodiment of the present invention, the light projection direction and the normal vector of the second surface form an included angle whose real value is less than 90° and greater than 0°.

In an embodiment of the present invention, the transparent display module further includes an optical element, which is arranged on one side of the auxiliary light source device in the groove, and used to change the light projection direction. In an embodiment of the present invention, the optical element is a lens structure or a microlens structure.

In an embodiment of the present invention, the fixing member further includes an extension portion, and the connection clamping portion extends toward the second surface. In an embodiment of the present invention, the extending portion has a curved surface facing the auxiliary light source device. In an embodiment of the present invention, the fixing part is a metal part, and the curved surface of the extension part is a reflective surface, which is used to change the light projection direction.

In an embodiment of the present invention, the groove of the clamping portion has an inclined surface and forms an included angle with the first surface whose real value is less than 90° and greater than 0°, and the auxiliary light source device is arranged on the inclined surface.

In one embodiment of the present invention, the auxiliary light source device includes a light emitting diode (Light Emitting Diode; LED) light bar, a cold cathode tube (Cold Cathodefluorescent Lamp; CCFL) light bar or a hot cathode tube for providing visible light or invisible light (Hot Cathode fluorescent Lamp; HCFL) light bar.

In an embodiment of the present invention, the auxiliary light source device includes: a light guide strip, a side light source and a reflective frame. Wherein the side light source is located at one end of the light guide bar; and the reflective frame covers the side of the light guide bar relative to the light projection direction.

In an embodiment of the present invention, the auxiliary light source device is fixed on the clamping part through a locking element. In an embodiment of the present invention, the transparent panel is a self-illuminating panel.

On the other hand, the present invention provides a display device, comprising: a body having a display surface and an accommodating space for accommodating items to be displayed, and a transparent display module located on the display surface of the body. The transparent display module includes: a transparent panel, an auxiliary light source device and a fixing piece. The transparent panel has a first surface and a second surface. Wherein, the first surface is a display surface, and the second surface is a surface opposite to the display surface. The fixing part has a clamping part and a fixing part. Wherein, the clamping part has a groove; and one end of the fixing part is connected to the clamping part, and the other end is fixed on one side of the transparent panel, wherein the opening direction of the groove is in the same direction as the second surface of the transparent panel. The auxiliary light source device is accommodated in the groove and has a light projection direction substantially opposite to the display direction of the display surface.

In an embodiment of the present invention, the article display device further includes an optical element, which is arranged on one side of the auxiliary light source device in the groove, and is used to change the light projection direction.

In an embodiment of the present invention, the optical element is a lens structure or a microlens structure.

In an embodiment of the present invention, the fixing part further includes an extension part extending from the clamping part, and the extension part has a reflective curved surface substantially facing the auxiliary light source device for changing the light projection direction.

In an embodiment of the present invention, the groove of the clamping portion has an inclined surface, which forms an included angle with the second surface whose real value is less than 90° and greater than 0°, and the auxiliary light source device is arranged on the inclined surface.

In an embodiment of the present invention, the auxiliary light source device includes: a light guide strip, a side light source and a reflective frame. Wherein, the side light source is located at one end of the light guide bar; and the reflective frame covers one side of the light guide bar relative to the light projection direction.

According to the above, an embodiment of the present invention provides a transparent display module, including: a transparent panel, an auxiliary light source device, and a fixing member. Wherein the auxiliary light source device is fixed on the transparent panel through the fixing piece; and the auxiliary light source device has a light projection direction substantially opposite to the display direction of the display surface of the transparent panel. It can provide light projection on the front side of the display object facing the opposite side of the display surface, and solve the problem that the existing transparent display module provides relatively strong side light or backlight, which makes the display object produce a silhouette phenomenon, thereby improving and improving the display. quality.

Description of drawings

FIG. 1A is an exploded schematic diagram of an item display device with a transparent display module according to an embodiment of the present invention;

FIG. 1B is a schematic diagram of the image display direction of the transparent display module shown in FIG. 1A;

FIG. 1C is a schematic cross-sectional view of a part of the structure of the transparent display module shown along the tangent line T1-T2 according to FIG. 1A;

FIG. 2 is a partial structural cross-sectional view of a transparent display module according to another embodiment of the present invention;

FIG. 3 is a cross-sectional view of a partial structure of a transparent display module according to yet another embodiment of the present invention.

Description of main component symbols

10: Item display device 11: Body

12: Storage space 13: Drinks and food

14: Backlight module 15: Light tube

100: Transparent display module 101: Transparent panel

101a: First Side 101b: Second Side

101c: Surrounding area 102: Auxiliary light source device

102a: LED 103: Fixing parts

103a: clamping part 103b: fixed part

103c: groove 103d: extension

103e: reflective surface 104: frame

105: Frame 106: Glass cover

107: Locking element 108: Optical parts

111: base 112: upper cover

113: side wall 114: side wall

115: side wall 116: side wall

200: Transparent display module 203: Fixing parts

203a: clamping part 203b: fixed part

203c: Groove 203d: Bevel

300: Transparent display module 302: Auxiliary light source device

302a: Light guide bar 302b: LED side light source

302c: Reflective frame 303: Fixing parts

303a: clamping part 303b: fixing part

303c: Groove C: Consumer

D: display direction L: light

S: Light projection direction θ: Angle

ψ: included angle N: normal vector

T1-T2: Tangent

Detailed ways

The present invention is to provide a solution to the problem. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, several article display devices with transparent display modules are cited below as preferred embodiments, and are described in detail as follows in conjunction with the attached drawings .

Please refer to FIG. 1A . FIG. 1A is an exploded schematic diagram of an item display device 10 with a transparent display module 100 according to an embodiment of the present invention. The item display device 10 includes a body 11 and a transparent display module 100 . Wherein, the main body 11 may be a housing, a box or a frame with an accommodating space 12 . For example, in some embodiments of the present invention, the body 11 may be a display cabinet, a display window or a display shelf.

In this embodiment, the main body 11 is a display cabinet for displaying beverages and foods 13 . It includes a base 111 , an upper cover 112 and four side walls 113 , 114 , 115 and 116 . Among them, the upper cover 112, the side walls 113, 114, 115 and 116 can be assembled with the base 111 by pivoting hinges, embedding tongue parts or fixing locking elements, etc. An accommodating space 12 for accommodating food and drink 13 . Since the relevant structure and manufacturing method of the display cabinet body 11 are already existing, they will not be described in detail here.

In this embodiment, the side wall 113 is the front of the display cabinet body 11; the accommodating space 12 for accommodating beverages and food 13 is located in the display cabinet body 11; the transparent display module 100 is embedded in the display cabinet (body 11 ) on the side wall 113. That is to say, the transparent display module 100 is located in front of the accommodating space 12 . The consumer C located in front of the transparent display module 100 can directly see the beverage and food 13 placed in the accommodating space 12 through the transparent display module 100 .

As shown in FIG. 1A , the transparent display module 100 includes: a transparent panel 101 , an auxiliary light source device 102 , a fixing member 103 , a rear frame (bezel) 104 , a front frame 105 and a glass cover 106 . Wherein, the auxiliary light source device 102 is fixed on the transparent panel 101 through the fixing part 103 ; and the transparent panel 101 and the glass cover 106 are assembled and fixed through the front and rear frames 104 and 105 .

In addition, please refer to FIG. 1B . FIG. 1B is a schematic diagram of the image display direction of the transparent display module 100 shown in FIG. 1A . Regarding the image display method of the transparent display module 100 , the transparent panel 101 has a first surface 101 a and a second surface 101 b. Wherein, the first surface 101a is a display surface, and the second surface 101b is another surface opposite to the display surface. In this embodiment, the contact surface between the glass cover 106 and the transparent panel 101 is the first surface 101 a of the transparent panel 101 . The image displayed on the transparent panel 101 is emitted from the first surface 101 a in the form of light beams. That is to say, the transparent panel 101 includes a plurality of image beams extending outward from the first surface 101a, and the display direction D of the transparent panel 101 includes any one of the direction vectors of the image beams.

In some embodiments of the present invention, the transparent panel 101 may be a self-luminous panel. However, in other embodiments of the present invention, the transparent panel 101 is a non-self-illuminating panel. Therefore, the accommodating space 12 of the display cabinet body 11 may further include at least one backlight source. For example, in some embodiments of the present invention, the accommodating space 12 further includes a backlight module 14 embedded on the opposite side wall 114 . In some other embodiments of the present invention, the accommodating space 12 of the display cabinet body 11 further includes at least one lamp tube 15, which is arranged on the upper cover 112 or the side walls 114, 115 and 116, and is used for transparent The panel 101 provides a backlight; or provides projection light for the beverage and food 13 .

Please refer to FIG. 1C . FIG. 1C is a schematic cross-sectional view of a partial structure of the transparent display module 100 along the line T1 - T2 according to FIG. 1A . Wherein, the fixing part 103 is a shell, which can be divided into a clamping part 103a and a fixing part 103b. One end of the fixing portion 103b is connected to the clamping portion 103a, and the other end is fixed on the second surface 101b of the transparent panel 101 . In some embodiments of the present invention, the fixing portion 103b can be directly locked on the second surface 101b of the transparent panel 101 through a locking element, such as a bolt (not shown). In some other embodiments of the present invention, the fixing portion 103b is directly attached to the second surface 101b of the transparent panel 101 through an adhesive (not shown). In this embodiment, the fixing member 103 is a part of the rear frame 104 of the transparent panel 101 . Wherein, the fixing portion 103b is a connecting portion connecting the rear frame 104 and the clamping portion 103a, and forms a clip with the front frame 105, and is clamped on at least one side of the peripheral area 101c. Taking FIG. 1C as an example, the clamping part formed by the front frame 105 and the fixing part is clamped on both sides of the second surface 101 b of the transparent panel 101 .

The clamping portion 103a has a groove 103c; and the auxiliary light source device 102 is disposed in the groove 103c; and the light L provided by the auxiliary light source device 102 is projected outward through the groove 103c. As shown in FIG. 1C , the clamping part 103a may be a casing. The casing has a groove 103c; the auxiliary light source device 102 is disposed in the groove 103c of the casing. Due to the opening direction of the groove 103c, it is opposite to the display direction D of the transparent panel 101 . Therefore, the auxiliary light source device 102 can have a light projection direction S that is substantially opposite to the display direction D of the first surface 101 a of the transparent panel 101 by being clamped by the clamping portion 103 a. In other words, in this embodiment, the groove 103 c of the clamping portion 103 a has the same opening direction as the light projection direction S of the auxiliary light source device 102 .

In addition, the fixing part 103 also includes an extension part 103d connected to the clamping part 103a, and extending from the clamping part 103a of the clamping part 103a toward the rear of the second surface 101b, when the light L provided by the auxiliary light source device 102 passes through the groove 103c is projected outward to the extension portion 103d, which can change the light projecting direction S. In some embodiments of the present invention, the extension portion 103d extends from the clamping portion 103a located at the peripheral area 101c of the transparent panel 101 to the center of the second surface 101b of the transparent panel 101 . In addition, the fixing part 103 is a metal part, so that the extension part 103d has a reflective surface 103e substantially facing the auxiliary light source device 102, which is substantially a curved surface, and is used to reflect the light L provided by the auxiliary light source device 102 and change the light. Projecting direction S, and then concentratedly project light L onto food and drink 13 . By adjusting the extension length and direction of the extension portion 103d and the radius of curvature of the reflective surface 103e, the light projection direction S and the projection range of the light beam L can be adjusted.

For example, in this embodiment, the extension part 103d can form a reflection cover for collecting light. Changing the radius of curvature of the reflective surface 103e of the reflector can change the focal length of the reflector. The position where the auxiliary light source irradiates the strongest (light projection direction S) will change with the distance (ie defocus) between the light source and the focal length of the reflector. The farther the light source is from the focal length, the position with the strongest light intensity will move backward from the second surface 101b. In addition, different reflector designs can also be used to adjust the narrow or wide light angle distribution. It is worth noting that the user can make arbitrary adjustments to the above-mentioned light projection direction S and the projection range of the light beam L according to the characteristics of different beverages and foods 13 (or exhibits), so as to achieve the best display. quality. Therefore, the detailed adjustment range will not be repeated here. The auxiliary light source device 102 includes an LED light bar, a cold cathode tube light bar or a hot cathode tube light bar for providing visible light or invisible light. Wherein, the so-called light projection direction S is the direction vector of the light beam with the strongest light intensity of the auxiliary light source device 102 . In some embodiments of the present invention, the light projection direction S and the normal vector N of the second surface 101b form an included angle θ whose real value is less than 90° and greater than 0°. For example, in this embodiment, the auxiliary light source device 102 is a light bar with a plurality of LEDs 102a, and can be fixed at the bottom of the groove 103c of the clamping portion 103a through the locking element 107 .

Please refer to FIG. 2 , which is a cross-sectional view of a partial structure of a transparent display module 200 according to another embodiment of the present invention. Wherein, the structure of the transparent display module 200 is roughly the same as that of the transparent display module 100 shown in FIG. 1C ; For the sake of clear description, the following illustrations will use the same reference numerals to denote the same components.

In this embodiment, the fixing part 203 also includes a clamping part 203a and a fixing part 203b, and the clamping part 203a also has a groove 203c; but the clamping part 203a does not include any extension part. Although the auxiliary light source device 102 is still arranged in the groove 203c; but the side wall of the clamping portion 203a has an inclined surface 203d, that is, the inner side of the groove 203c is an inclined surface 203d, forming a real value less than the second surface 101b of the transparent panel 101. The included angle ψ is 90° and greater than 0°; and the LED light bar (auxiliary light source device 102 ) is fixed on the slope 203d by the locking element 107 . Wherein, the light projection direction S of the light L provided by the auxiliary light source device 102 can be adjusted by adjusting the included angle ψ between the slope 203 d and the second surface 101 b of the transparent panel 101 .

In addition, the transparent display module 200 may further include an optical element 108 located on one side of the auxiliary light source device in the groove 203c. For example, in this embodiment, the optical element 108 is arranged outside the groove 203c in a lens structure or a microlens structure, preferably a microlens structure, to refract the light L provided by the auxiliary light source device 102 to change the light The projection direction S; and then the light L is projected onto the food and drink 13 in a concentrated manner. By adjusting the radius of curvature of the microlens structure, the light projection direction S and the projection range of the light L can also be adjusted.

Please refer to FIG. 3 , which is a cross-sectional view of a partial structure of a transparent display module 300 according to yet another embodiment of the present invention. Wherein, the structure of the transparent display module 300 is roughly the same as that of the transparent display module 100 shown in FIG. 1C ; the only difference lies in the structures of the fixing member 303 and the auxiliary light source device 302 of the transparent display module 300 .

In this embodiment, although the fixing part 303 includes the clamping part 303a and the fixing part 303b having the groove 303c as the fixing part 103, it does not include any extension part; and the auxiliary light source device 302 includes a light guide strip 302a (or light guide plate), side light source 302b and reflective frame 302c. Wherein, the light guide strip 302a (or light guide plate) has a specific microstructure, such as a microlens structure, and the side light source 302b is located at one end of the light guide strip 302a, preferably a light emitting diode. In an embodiment of the present invention, the side light source 302b may be a plurality of LEDs located at both ends of the light guide bar 302a. The reflective frame 302c is coated on the side of the light guide bar 302a relative to the light projection direction S, so that the light provided by the LED side light source 302b passes through the refraction of the light guide bar 302a (or light guide plate) and the reflective frame 302c reflection to form a uniform surface light source with a light projection direction S, which is projected onto the food and drink 13 .

According to the above, an embodiment of the present invention provides a transparent display module, including: a transparent panel, an auxiliary light source device, and a fixing member. Wherein the auxiliary light source device is fixed on the transparent panel through the fixing piece; and the auxiliary light source device has a light projection direction substantially opposite to the display direction of the display surface of the transparent panel. Light projection may be provided on the front face of the display item on the side opposite the display face. It solves the problem that the existing transparent display module provides relatively strong side light or backlight, which causes the silhouette phenomenon of the displayed items, thereby improving and improving the display quality.

Although the present invention has been disclosed in conjunction with the above preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection should be defined by the appended claims.

Claims (18)

1. transparent display module comprises:

Transparent panel has first and second, and this first is display surface, and this second is the one side of relative this display surface;

Fixture has clamping part and fixed part, and this clamping part has groove, the side that an end this clamping part of binding of this fixed part and the other end are fixedly arranged on this transparent panel, and wherein this second face of the opening direction of this groove and this transparent panel is in the same way; And

The secondary light source device is placed in this groove, has a smooth projecting direction opposite with a display direction essence of this display surface.

2. transparent display module as claimed in claim 1, wherein this light projecting direction and this normal vector of second form real-valued less than 90 ° and greater than an angle of 0 °.

3. transparent display module as claimed in claim 1 also comprises optical element, is located at a side of this secondary light source device in this groove, is used for changing this light projecting direction.

4. transparent display module as claimed in claim 3, wherein this optical element is a lens arrangement or a microlens structure.

5. transparent display module as claimed in claim 1, wherein this fixture also comprises extension, connects this clamping part.

6. transparent display module as claimed in claim 1, wherein this extension has a curved surface, in the face of this secondary light source device.

7. transparent display module as claimed in claim 6, wherein this fixture is a metalwork, and this curved surface of this extension is a reflecting surface, is used for changing this light projecting direction.

8. transparent display module as claimed in claim 1 wherein has an inclined-plane in this groove of this clamping part, with this second form real-valuedly less than 90 ° and greater than an angle of 0 °, and this secondary light source device is located on this inclined-plane.

9. transparent display module as claimed in claim 1, wherein this secondary light source device comprises a light emitting diode (the Light Emitting Diode that is used to provide visible light or invisible light; LED) lamp bar, a cold-cathode tube (Cold Cathode fluorescent Lamp; CCFL) a lamp bar or a thermionic-cathode tube (Hot Cathode fluorescent Lamp; HCFL) lamp bar.

10. transparent display module as claimed in claim 1, wherein this secondary light source device comprises:

The leaded light bar;

The sidelight source is positioned at an end of this leaded light bar; And

The reflection framework coats the side of this leaded light bar with respect to this light projecting direction.

11. transparent display module as claimed in claim 1, wherein this secondary light source device is fixed on this clamping part through a lock member.

12. transparent display module as claimed in claim 1, wherein this transparent panel is a self-emission panel.

13. an exhibiting device comprises:

Body has display surface and accommodation space, desires displaying articles in order to ccontaining one; And

One transparent display module is positioned at this display surface of this body, comprising:

Transparent panel has first and second, and this first is display surface, and this second is the one side of relative this display surface;

Fixture has clamping part and fixed part, and this clamping part has groove, the side that an end this clamping part of binding of this fixed part and the other end are fixedly arranged on this transparent panel, and wherein this second face of the opening direction of this groove and this transparent panel is in the same way; And

The secondary light source device is placed in this groove, has a smooth projecting direction opposite with a display direction essence of this display surface.

14. exhibiting device as claimed in claim 13 also comprises optical element, is located at a side of this secondary light source device in this groove, is used for changing this light projecting direction.

15. exhibiting device as claimed in claim 13, wherein this optical element is a lens arrangement or a microlens structure.

16. exhibiting device as claimed in claim 13, wherein this fixture also comprises an extension, and this clamping part extension, and this extension certainly has a reflecting curved surface, and material surface is used for changing this light projecting direction to this secondary light source device.

17. exhibiting device as claimed in claim 13 wherein has an inclined-plane in this groove of this clamping part, with this second form real-valuedly less than 90 ° and greater than an angle of 0 °, and this secondary light source device is located on this inclined-plane.

18. exhibiting device as claimed in claim 13, wherein this secondary light source device comprises:

The leaded light bar;

The sidelight source is positioned at an end of this leaded light bar; And

The reflection framework coats the side of this leaded light bar with respect to this light projecting direction.

Images