CN213338099U - Light guide plate and luminous operating panel - Google Patents

Light guide plate and luminous operating panel Download PDF

Info

Publication number
CN213338099U
CN213338099U CN202022693375.4U CN202022693375U CN213338099U CN 213338099 U CN213338099 U CN 213338099U CN 202022693375 U CN202022693375 U CN 202022693375U CN 213338099 U CN213338099 U CN 213338099U
Authority
CN
China
Prior art keywords
light
light guide
guide plate
groove
isolating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022693375.4U
Other languages
Chinese (zh)
Inventor
孟凡婧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Visionox Photoelectronic Technology Co Ltd
Original Assignee
Beijing Visionox Photoelectronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Visionox Photoelectronic Technology Co Ltd filed Critical Beijing Visionox Photoelectronic Technology Co Ltd
Priority to CN202022693375.4U priority Critical patent/CN213338099U/en
Application granted granted Critical
Publication of CN213338099U publication Critical patent/CN213338099U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Planar Illumination Modules (AREA)

Abstract

The utility model provides a light guide plate and luminous operating panel. The light guide plate includes a body portion, a plurality of light guide grooves, and a plurality of light guide bridges. The light guide groove is arranged on one side surface of the body part and is suitable for arranging the light guide column. The light isolating bridge is arranged between the adjacent light guide grooves and is suitable for blocking light emitted by the adjacent light guide columns in the body part. Through the setting of light-proof bridge, block the light that the leaded light post of lighting sent between adjacent light guide tank, prevent in the adjacent light guide tank not received light and luminous by the leaded light post of lighting, all the other a plurality of leaded light posts are luminous simultaneously when having avoided lighting one of them leaded light post. And the light guide plate is still an integral body, and a separated light guide plate is not required to be made, and the original element arrangement design in the light guide plate can be kept as far as possible.

Description

Light guide plate and luminous operating panel
Technical Field
The utility model relates to an operating panel technical field that gives out light, concretely relates to light guide plate and luminous operating panel.
Background
At present, an operation panel with a light guide function is widely applied to the field of industrial control equipment. However, because operating panel is a monoblock light guide plate usually, if be provided with a plurality of luminous leaded light posts on a light guide plate, when one of them leaded light post is luminous, the light that luminous leaded light post sent refracts to other leaded light posts in the light guide plate is inside for other not luminous leaded light posts also give out light simultaneously originally, form mutual interference, influence operation judgement.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a light guide plate and luminous operating panel to mutual interference's problem when setting up a plurality of leaded light posts on solving single light guide plate.
The utility model provides a light guide plate, include: a body portion; a plurality of light guide grooves provided on the body portion, the light guide grooves being adapted to provide light guide posts; and the light isolation bridges are arranged in the body part and positioned between the adjacent light guide grooves, and are suitable for blocking light emitted by the adjacent light guide columns in the body part.
Optionally, the body portion has two opposite surfaces, and the light guide groove is disposed on one surface and extends to the other surface; the light-blocking bridge comprises a first light-blocking groove which is arranged on one surface and extends towards the other surface.
Optionally, the optical isolation bridge further includes: and the second light-isolating groove is arranged on one side of the first light-isolating groove in the horizontal direction, is arranged on the surface opposite to the surface where the first light-isolating groove is arranged, and has the extending direction opposite to that of the first light-isolating groove.
Optionally, the optical isolation bridge further includes: and the third light-isolating groove is arranged on one side, far away from the second light-isolating groove, of the first light-isolating groove in the horizontal direction, is arranged on the surface opposite to the surface where the first light-isolating groove is arranged, and has the extending direction opposite to that of the first light-isolating groove.
Optionally, the depth of the light-shielding groove is greater than or equal to 70% of the thickness of the body portion.
Optionally, the light guide plate further includes a light shielding coating, where the light shielding coating covers a surface of the body portion, exposes the light guide groove, and covers a surface of the light blocking bridge.
Optionally, the shading coating is black paint.
Optionally, the light guide plate further includes: the light reflecting coating is arranged between the surface of the body part and the light shading coating; the light reflecting coating covers the surface of the light guide plate, exposes the light guide grooves and covers the surface of the light isolating bridge.
Optionally, the light-reflecting coating is white paint.
The utility model also provides a luminous operation panel, which comprises the light guide plate; a control module; the light guide columns are arranged in the light guide grooves and comprise light emitting elements, and the light emitting elements are connected with the control module and are suitable for receiving instructions from the control module to emit light; the top surface of the light guide column protrudes out of the surface of the light guide plate, or the top surface of the light guide column is flush with the surface of the light guide plate.
The beneficial effects of the utility model reside in that:
1. the utility model provides a light guide plate, through the setting of light-proof bridge, block the light that wherein the leaded light post of lighting sent between adjacent light guide groove, prevent that the leaded light post in adjacent all the other non-luminous light guide grooves receives light and luminous, all the other a plurality of leaded light posts are luminous simultaneously when having avoided lighting one of them leaded light post. And the light guide plate is still an integral body, and a separated light guide plate is not required to be made, and the original element arrangement design in the light guide plate can be kept as far as possible.
2. The utility model provides a light guide plate sets up the light-proof bridge through the form in light-proof groove, and the light that the leaded light post of lighting sent is blocked by light-proof groove, prevents among the adjacent light-proof groove that the leaded light post that does not give out light receives light and give out light, has all the other a plurality of leaded light posts are luminous simultaneously when having avoided lighting one of them leaded light post. Meanwhile, the integrity of the light guide plate is kept, the light guide plate does not need to be arranged separately, and the original element arrangement design in the light guide plate can be kept as far as possible. In addition, no matter the extending directions of the first light-isolating groove and the light guide groove are the same or opposite, the blocking effect can be achieved.
3. The utility model provides a light guide plate, one side in first light-proof groove still is provided with the second and separates the light groove, and the second separates the light groove and sets up with the opposite direction of extension in first light-proof groove. Therefore, a plurality of light blocking structures can be formed between the adjacent light guide grooves, the two light blocking structures are oppositely arranged and extend in opposite directions, light emitted by the lighted light guide columns can be more effectively blocked and conducted to the light guide columns in the adjacent light guide grooves, the light guide columns in the adjacent light guide grooves are prevented from receiving light and emitting light, and the light guide columns are prevented from being lighted while the rest light guide columns simultaneously emit light.
4. The utility model provides a light guide plate, the opposite side in first light-proof groove still is provided with the third light-proof groove, and the third light-proof groove sets up with the opposite direction of extension in first light-proof groove. Therefore, a plurality of light blocking structures can be formed between the adjacent light guide grooves and are alternately and oppositely arranged, light emitted by the lighted light guide columns can be more effectively blocked and conducted to the light guide columns in the adjacent light guide grooves, the light guide columns in the adjacent light guide grooves are prevented from receiving light and emitting light, and the situation that the other light guide columns emit light simultaneously when one light guide column is lighted is avoided.
5. The utility model provides a light guide plate, the degree of depth more than or equal to body portion's of light-proof groove thickness 70%. The setting of degree of depth like this, the leaded light post that stops as much as possible sends conducts to the leaded light post in the adjacent light guide groove, prevents that the leaded light post in the adjacent light guide groove from receiving light and luminous, can effectually avoid lightening one of them leaded light post when all the other a plurality of leaded light posts are luminous simultaneously.
6. The utility model provides a light guide plate, this body surface can set up the shading coating, coats in the surface of this body and exposes the light guide groove, and covers the surface that separates the optical bridge. The light-blocking coating may be a black paint. Because the shading coating coats in the surface of light-proof bridge, also cover the lateral wall of light-proof groove, make between two adjacent light guide grooves by the lateral wall of light-proof groove and the shading coating form vertical shading wall that blocks light, the light conduction that the leaded light post that can further block to light sends to the leaded light post of adjacent light guide groove, the leaded light post that prevents in the adjacent light guide groove receives light and shines, a plurality of luminous leaded light posts are luminous simultaneously when can effectually avoiding lighting a leaded light post.
7. The utility model provides a light guide plate still can set up the reflection of light coating between body portion surface and the shading coating, for example the reflection of light coating can be white paint. On one hand, the reflective coating can be used as a base coating, so that the adhesion degree of the shading coating can be improved, and the stripping and falling are not easy to generate; on the other hand, the light reflecting effect of the light reflecting coating can also effectively block the conduction of light in the body part, and the light reflecting coating and the light shielding coating block the light together, so that the light emitted by the lighted light guide column can be further blocked and conducted to the light guide columns of the adjacent light guide grooves, the light guide columns in the adjacent light guide grooves are prevented from receiving the light and emitting the light, and the light can be effectively prevented from being lighted while the rest of the light guide columns emit the light simultaneously.
8. The utility model also provides a luminous operating panel, include as above the light guide plate. Through the setting of light-proof bridge, block the light that sends of the leaded light post of lighting between adjacent light guide groove, prevent that the leaded light post in the adjacent light guide groove from receiving light and giving out light, all the other a plurality of leaded light posts are luminous simultaneously when having avoided lighting one of them leaded light post. And the light guide plate is still an integral body, and a separated light guide plate is not required to be made, and the original element arrangement design in the light guide plate can be kept as far as possible.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a light guide plate according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line AA in FIG. 1;
fig. 3 is a schematic view illustrating a light guide plate provided with a light guide pillar according to another embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a light guide plate, including:
a body portion 100.
A plurality of light guide grooves 110 opened on one side surface of the main body 100, the light guide grooves 110 being adapted to be disposed with the light guide posts 200.
And a plurality of light blocking bridges 120 located between the adjacent light guide grooves 110, wherein the light blocking bridges 120 are adapted to block light emitted from the light guide posts in the adjacent light guide grooves 110 in the light guide plate.
The light guide plate provided by the embodiment blocks the light emitted by the lighted light guide columns 200 between the adjacent light guide grooves 110 through the arrangement of the light isolating bridge 120, prevents the light guide columns 200 in the adjacent light guide grooves 110 from receiving the light emitted by other light guide columns 200 and emitting light when not emitting light, and avoids the simultaneous light emission of the rest light guide columns 200 while lighting one light guide column 200. And the light guide plate is still an integral body, and a separated light guide plate is not required to be made, and the original element arrangement design in the light guide plate can be kept as far as possible.
In the light guide plate provided in this embodiment, the body portion 100 has two opposite surfaces, and the light guide groove 110 is disposed on one surface and extends toward the other surface. The light-blocking bridge 120 includes a first light-blocking groove 121, and the first light-blocking groove 121 is disposed on one surface and extends toward the other surface.
The light-blocking bridge 120 is arranged in the form of the light-blocking groove, light emitted by the lighted light guide columns 200 is blocked by the light-blocking groove, the light guide columns 200 in the adjacent light guide grooves 110 are prevented from receiving light emitted by other light guide columns 200 and emitting light when not emitting light, and the situation that the rest of the light guide columns 200 emit light simultaneously when one light guide column 200 is lighted is avoided. Meanwhile, the integrity of the light guide plate is kept, the light guide plate does not need to be arranged separately, and the original element arrangement design in the light guide plate can be kept as far as possible. In addition, the first light-blocking groove 121 and the light-guiding groove 110 can achieve the blocking effect regardless of the same or opposite extending directions.
In the light-shielding bridge 120 of the light-guiding plate provided by this embodiment, the second light-shielding groove 122 may further include a second light-shielding groove 122, the second light-shielding groove 122 is disposed on one side of the first light-shielding groove 121 in the horizontal direction, the second light-shielding groove 122 is disposed on a surface opposite to the surface where the first light-shielding groove 121 is located, and an extending direction of the second light-shielding groove 122 is opposite to an extending direction of the first light-shielding groove 121.
Through the arrangement of the second light-isolating groove 122, a plurality of light blocking structures can be formed between the adjacent light guide grooves 110, the two light blocking structures are oppositely arranged and extend in opposite directions, light emitted by the light guide columns 200 in the illuminated light guide grooves 110 can be more effectively blocked and conducted to the light guide columns 200 in the adjacent light guide grooves 110, the light guide columns 200 in the adjacent light guide grooves 110 are prevented from receiving the light and emitting the light, and the situation that the rest of the light guide columns 200 emit the light simultaneously when one of the light guide columns 200 is illuminated is avoided.
In the light-shielding bridge 120 of the light-guiding plate provided by this embodiment, the third light-shielding groove 123 may further include a third light-shielding groove 123, the third light-shielding groove 123 is disposed on a side of the first light-shielding groove 121 away from the second light-shielding groove 122 in the horizontal direction, the third light-shielding groove 123 is disposed on a surface opposite to the surface where the first light-shielding groove 121 is located, and an extending direction of the third light-shielding groove 123 is opposite to an extending direction of the first light-shielding groove 121.
By arranging the third light-isolating groove 123 on the basis of the first light-isolating groove 121 and the second light-isolating groove 122, more light-blocking structures can be formed between the adjacent light guide grooves, and the light-blocking structures are alternately and oppositely arranged, so that light emitted by the light guide column 200 in the lit light guide groove 110 can be more effectively blocked and conducted to the light guide column 200 in the adjacent light guide groove 110, the light guide column 200 in the adjacent light guide groove 110 is prevented from receiving the light to emit the light, and the light guide columns 200 are prevented from being simultaneously illuminated while one of the light guide columns 200 is illuminated.
In the light guide plate provided in this embodiment, the depths of the first light-shielding groove 121, the second light-shielding groove 122, and the third light-shielding groove 123 are greater than or equal to 70% of the thickness of the main body 100.
Due to the arrangement of the depth, light emitted by the lighted light guide columns 200 is blocked as much as possible and is transmitted to the light guide columns 200 in the adjacent light guide grooves, the light guide columns 200 in the adjacent light guide grooves are prevented from receiving light emitted by other light guide columns to emit light 200 when not being lighted, and the situation that the rest light guide columns 200 emit light simultaneously when one light guide column 200 is lighted is avoided.
The light guide plate provided in this embodiment may further include a light shielding coating (not shown) applied on the surface of the body 100, exposing the light guide grooves 110, and covering the surface of the light-blocking bridge 120. The light-blocking coating is a coating adapted to absorb light. For example, the light blocking coating may be a black paint.
Because the shading coating covers the surface of the light-shielding bridge 120, that is, the side walls of the light-shielding grooves, a vertical light-shielding wall for blocking light is formed between two adjacent light guide grooves 110 by the side walls of the light-shielding grooves and the shading coating, light emitted by the lighted light guide columns 200 can be further blocked from being conducted to the light guide columns 200 of the adjacent light guide grooves 110, the light guide columns 200 in the adjacent light guide grooves 110 are prevented from receiving light to emit light, and the situation that the rest of the light guide columns 200 emit light at the same time when one of the light guide columns 200 is lighted can be effectively avoided.
The light guide plate provided in this embodiment may further include a light reflecting coating (not shown), which is disposed between the surface of the body 100 and the light shielding coating. The reflective coating is coated on the surface of the light guide plate 100 and exposes the light guide grooves 110, and covers the surface of the light-blocking bridge 120. The light-reflecting coating is a coating adapted to reflect light. For example, the light reflective coating may be a white paint.
A reflective coating is arranged between the surface of the body part 100 and the shading coating, on one hand, the reflective coating can be used as a base coating, the adhesion degree of the shading coating can be improved, and the shading coating is not easy to peel off; on the other hand, the light reflecting effect of the light reflecting coating can also effectively block the conduction of light in the body part 100, and block the light together with the light blocking coating, so that the light emitted from the illuminated light guide posts 200 can be further blocked from being conducted to the light guide posts 200 of the adjacent light guide grooves 110, the light guide posts 200 in the adjacent light guide grooves 110 can be prevented from receiving the light and emitting light, and the simultaneous light emission of the rest of the light guide posts 200 while one of the light guide posts 200 is illuminated can be effectively avoided.
Example 2
The present embodiment provides a light-emitting operation panel including the light guide plate as in embodiment 1 above. The LED display device also comprises a control module and a plurality of light guide columns. The light guide column is arranged in the light guide groove and comprises a light-emitting element, and the light-emitting element is connected with the control module and is suitable for receiving an instruction from the control module to emit light; the top surface of the light guide column protrudes out of the surface of the light guide plate, or the top surface of the light guide column is flush with the surface of the light guide plate.
The light-emitting operation panel provided by the embodiment comprises the light guide plate. Through the setting of light-proof bridge, block the light that sends of the leaded light post of lighting between adjacent light guide groove, prevent that the leaded light post in the adjacent light guide groove from receiving light and giving out light, all the other a plurality of leaded light posts are luminous simultaneously when having avoided lighting one of them leaded light post. And the light guide plate is still an integral body, and a separated light guide plate is not required to be made, and the original element arrangement design in the light guide plate can be kept as far as possible.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A light guide plate, comprising:
a body portion;
the light guide grooves are formed in one side surface of the body part and are suitable for arranging light guide columns;
the light isolation bridges are arranged between the adjacent light guide grooves and are suitable for blocking light emitted by the adjacent light guide columns in the body part.
2. The light guide plate according to claim 1,
the body part is provided with two opposite surfaces, and the light guide groove is arranged on one surface and extends towards the other surface;
the light-blocking bridge comprises a first light-blocking groove which is arranged on one surface and extends towards the other surface.
3. The light guide plate according to claim 2,
the light-blocking bridge further comprises:
and the second light-isolating groove is arranged on one side of the first light-isolating groove in the horizontal direction, is arranged on the surface opposite to the surface where the first light-isolating groove is arranged, and has the extending direction opposite to that of the first light-isolating groove.
4. The light guide plate according to claim 3,
the light-blocking bridge further comprises:
and the third light-isolating groove is arranged on one side, far away from the second light-isolating groove, of the first light-isolating groove in the horizontal direction, is arranged on the surface opposite to the surface where the first light-isolating groove is arranged, and has the extending direction opposite to that of the first light-isolating groove.
5. The light guide plate according to claim 4,
the depths of the first light-isolating groove, the second light-isolating groove and the third light-isolating groove are more than or equal to 70% of the thickness of the body part.
6. The light guide plate according to any one of claims 1 to 5,
the light shielding coating is coated on the surface of the body part, exposes the light guide groove and covers the surface of the light shielding bridge.
7. The light guide plate according to claim 6,
the shading coating is black paint.
8. The light guide plate according to claim 6, further comprising:
the light reflecting coating is arranged between the surface of the body part and the light shading coating; the light reflecting coating is coated on the surface of the light guide plate, exposes out of the light guide grooves and covers the surface of the light isolating bridge.
9. The light guide plate according to claim 8,
the light-reflecting coating is white paint.
10. A light-emitting operation panel is characterized in that,
comprising the light guide plate according to any one of claims 1 to 9;
a control module;
the light guide columns are arranged in the light guide grooves and comprise light emitting elements, and the light emitting elements are connected with the control module and are suitable for receiving instructions from the control module to emit light; the top surface of the light guide column protrudes out of the surface of the light guide plate, or the top surface of the light guide column is flush with the surface of the light guide plate.
CN202022693375.4U 2020-11-18 2020-11-18 Light guide plate and luminous operating panel Active CN213338099U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022693375.4U CN213338099U (en) 2020-11-18 2020-11-18 Light guide plate and luminous operating panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022693375.4U CN213338099U (en) 2020-11-18 2020-11-18 Light guide plate and luminous operating panel

Publications (1)

Publication Number Publication Date
CN213338099U true CN213338099U (en) 2021-06-01

Family

ID=76078205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022693375.4U Active CN213338099U (en) 2020-11-18 2020-11-18 Light guide plate and luminous operating panel

Country Status (1)

Country Link
CN (1) CN213338099U (en)

Similar Documents

Publication Publication Date Title
JP2007156228A (en) Led display unit
WO2014014134A1 (en) Display device
US20130114268A1 (en) Light Emitting Device
US20080170405A1 (en) Scuff plate
KR20060020633A (en) Optical semiconductor device
CN113253513B (en) Light emitting module and planar light source
KR20160019601A (en) Backlight unit and display apparatus having the same
WO2017095200A1 (en) Lighting device and vehicle lamp comprising same
JP4946998B2 (en) Vehicle lighting device
KR101902394B1 (en) illumination unit and display apparatus for using the same
CN105299542B (en) Backlight module
CN209977826U (en) Optical system for realizing uniform light emission of car lamp
CN213338099U (en) Light guide plate and luminous operating panel
WO2011030941A1 (en) Local dimming backlight apparatus
WO2020189858A1 (en) Backlight device for display
CN110925626B9 (en) Planar lighting device
JP7197351B2 (en) Display device, lighting device, light guide member and light guide structure
JP2002245830A (en) Light guide panel equipment
WO2020197173A1 (en) Lighting module and lighting apparatus comprising same
KR101488689B1 (en) Terminal connecting apparatus having light source module
WO2021187841A1 (en) Lighting module and lighting device having same
CN211297209U (en) Light projection panel and light-emitting panel
JP2006172938A (en) Light guide body and surface lighting device
JP2016103318A (en) Vehicular lighting
WO2017095170A1 (en) Lighting device and vehicular lamp comprising same

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant