CN110865741A - Touch display module and display device - Google Patents
Touch display module and display device Download PDFInfo
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- CN110865741A CN110865741A CN201911205679.7A CN201911205679A CN110865741A CN 110865741 A CN110865741 A CN 110865741A CN 201911205679 A CN201911205679 A CN 201911205679A CN 110865741 A CN110865741 A CN 110865741A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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Abstract
The invention discloses a touch display module and a display device, wherein the touch display module comprises: a display module; the touch functional layer is arranged on the light emergent side of the display module; the protective cover plate is arranged on one side, away from the display module, of the touch functional layer; the touch display module comprises a display area and a non-display area surrounding the display area; a colored ink layer is arranged on one side, close to the touch functional layer, of the protective cover plate; the colored ink layer is positioned in the non-display area and arranged around the display area; the negative refraction layer is arranged between the display module and the protective cover plate; the negative refraction layer is positioned in the non-display area and arranged around the display area; in the direction of pointing to the display area by the non-display area, the positive projection of negative refraction layer on the display module assembly at least partly surpasses the colored printing ink layer and is close to the positive projection of the first edge of display area on the display module assembly. The invention provides a touch display module and a display device, and aims to solve the problem that the display module generates a black inverted image in a display area close to an ink area to influence the visual effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a touch display module and a display device.
Background
Along with the development of science and technology, touch-control display module assembly has received more and more extensive application, and the consumer not only satisfies in having realized the touch-control function, and the requirement to touch-control display module assembly outward appearance is higher and higher simultaneously, for example, requires to have good integrative black effect when watching.
Touch-control display module assembly includes the display area and surrounds the ink district that the display area set up, and when touch-control display module assembly was not lighted the state, the edge that can see the display area and be close to the ink district from the side was seen can appear obvious black reflection, seriously influences visual effect.
Disclosure of Invention
The embodiment of the invention provides a touch display module and a display device, and aims to solve the problem that the display module generates a black inverted image in a display area close to an ink area to influence the visual effect.
In a first aspect, an embodiment of the present invention provides a touch display module, including: a display module; the touch control functional layer is arranged on the light emitting side of the display module; the protective cover plate is arranged on one side, away from the display module, of the touch functional layer; the touch display module comprises a display area and a non-display area surrounding the display area; a colored ink layer is arranged on one side, close to the touch functional layer, of the protective cover plate; the colored ink layer is positioned in the non-display area and arranged around the display area;
the negative refraction layer is arranged between the display module and the protective cover plate; the negative refraction layer is positioned in the non-display area and arranged around the display area; the negative refraction layer is arranged on the display module, at least part of the positive projection on the display module exceeds the positive projection of the colored ink layer close to the first edge of the display area on the display module, and the external light reflected by the first edge of the colored ink layer is prevented from being emitted from the light emitting side of the display module.
In a second aspect, an embodiment of the present invention further provides a display device, where the display device includes the touch display module provided in any embodiment.
According to the invention, the touch display module sequentially comprises a display module, a touch functional layer and a protective cover plate, the touch display module comprises a display area and a non-display area surrounding the display area, a colored ink layer is arranged between the touch functional layer and the protective cover plate, the colored ink layer is arranged in the non-display area and is arranged around the display area, a negative refraction layer is further arranged between the display module and the protective cover plate, and the negative refraction layer is positioned in the non-display area and is arranged around the display area. In the direction pointing to the display area from the non-display area, the positive projection part or all of the negative refraction layer on the display module exceeds the positive projection of the first edge of the colored ink layer close to the display area on the display module, the negative refraction layer can reflect the external light to the non-light-emitting layer through the refraction characteristic opposite to that of the colored ink layer or other film materials, so that the external light reflected by the edge of the colored ink layer close to the display area is prevented from being emitted from the light-emitting side of the display module, human eyes cannot observe the external light with lower brightness reflected by the first edge of the colored ink layer, the situation that the difference between the external light with lower brightness and the external light directly reflected by the display area of the display module is larger is avoided, the obvious black shadow is prevented from appearing at the edge of the display area close to the colored ink layer, and the uniformity of the display of the touch display module in a breath screen state is enhanced, the visual display effect of the touch display module is improved.
Drawings
FIG. 1 is a schematic plan view of a touch display module in the prior art;
FIG. 2 is a cross-sectional view of a touch display module of the prior art;
fig. 3 is a schematic plan view of a touch display module according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
FIG. 5 is a schematic diagram of the refraction effect of a positive refractive characteristic provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of the refraction of a negative refractive characteristic provided by an embodiment of the present invention;
FIG. 7 is another cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
FIG. 8 is another cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
FIG. 9 is another cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
FIG. 10 is another cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
FIG. 11 is another cross-sectional view of the touch display module of FIG. 3 taken along line b-b';
fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the fully-laminated touch display module, in a breath screen state, a display area of the display panel is not completely black, but exhibits a color effect of "gray-biased", so that an obvious boundary exists between colored ink on a non-display area around the display area and the "gray-biased" on the display area, and the aesthetic appearance effect of the touch display module is influenced. In order to achieve uniform color between the colored ink and the display area, the uniformity of the appearance is generally achieved by adjusting the color of the ink or reducing the reflectivity of the display area, but the above method often only improves the appearance at the front viewing angle, as shown in fig. 1, fig. 1 is a schematic plane view of a touch display module in the prior art, fig. 2 is a cross-sectional view of a touch display module in the prior art, a metal transition layer 15 is arranged between a display area 21 of the touch display module and a colored ink layer 13 on a plane parallel to the display module, if the viewing angle of an observer is not vertical to the touch display module, i.e. the observer views the display panel from the side, it is easy to see that an obvious black reflection appears at the edge of the display area 21 close to the colored ink layer 13, as shown in fig. 2, the light-emitting side of the display module 11 is attached to the protective cover 14 through an optical adhesive 12, the colored ink layer 13 is disposed on the edge of the display module 11. In the process of implementing the embodiment of the present invention, the inventor finds that, for the external light L1, after passing through the protective cover 14, the external light L1 is reflected by the edge of the colored ink layer 13 close to the display area 21, and then is reflected by the display module 11 to enter human eyes; to external light L2, after external light L2 passes through protective cover 14, only get into the people's eye through the reflection of display module 11, because the reflectivity of colored ink layer 13 is low, the light energy that external light L1 finally got into the people's eye will be obviously less than the light energy that external light L2 directly got into people's eye through the reflection of display module 11 to form the obvious shadow of a broad.
In order to solve the problem that a black reflection appears in a display area of a touch display module close to a colored ink layer, the embodiment of the invention provides a touch display module, which comprises:
a display module; the touch functional layer is arranged on the light emergent side of the display module; the protective cover plate is arranged on one side, away from the display module, of the touch functional layer; the touch display module comprises a display area and a non-display area surrounding the display area; a colored ink layer is arranged on one side, close to the touch functional layer, of the protective cover plate; the colored ink layer is positioned in the non-display area and arranged around the display area;
the negative refraction layer is arranged between the display module and the protective cover plate; the negative refraction layer is positioned in the non-display area and arranged around the display area; in the direction of pointing to the display area by the non-display area, the orthographic projection of negative refraction layer on display module assembly at least part surpasss the colored printing ink layer and is close to the orthographic projection of the first edge on display module assembly in the display area for prevent the external light of the first edge reflection of colored printing ink layer from the light-emitting side outgoing of display module assembly.
In the embodiment of the invention, the touch display module sequentially comprises a display module, a touch functional layer and a protective cover plate, the touch display module comprises a display area and a non-display area surrounding the display area, a colored ink layer is arranged between the touch functional layer and the protective cover plate, the colored ink layer is arranged in the non-display area and is arranged around the display area, a negative refraction layer is further arranged between the display module and the protective cover plate, and the negative refraction layer is positioned in the non-display area and is arranged around the display area. In the direction pointing to the display area from the non-display area, the positive projection part or all of the negative refraction layer on the display module exceeds the positive projection of the first edge of the colored ink layer close to the display area on the display module, the negative refraction layer can reflect the external light to the non-light-emitting layer through the refraction characteristic opposite to that of the colored ink layer or other film materials, so that the external light reflected by the edge of the colored ink layer close to the display area is prevented from being emitted from the light-emitting side of the display module, human eyes cannot observe the external light with lower brightness reflected by the first edge of the colored ink layer, the situation that the difference between the external light with lower brightness and the external light directly reflected by the display area of the display module is larger is avoided, the obvious black shadow is prevented from appearing at the edge of the display area close to the colored ink layer, and the uniformity of the display of the touch display module in a breath screen state is enhanced, the visual display effect of the touch display module is improved.
The above is the core idea of the present invention, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Fig. 3 is a schematic plan view of a touch display module according to an embodiment of the present invention, fig. 4 is a cross-sectional view of the touch display module shown in fig. 3 along a line b-b', and as shown in fig. 4, the touch display module 1 includes a display module 11, the display module 11 may be a liquid crystal display module, the liquid crystal display module specifically includes a backlight module and a liquid crystal display panel disposed on a light-emitting side of the backlight module, the backlight module can provide a backlight source for the liquid crystal display panel, so that the liquid crystal display panel controls the opening of each pixel unit through a driving circuit, so that the backlight source is emitted through the pixel unit, in addition, the display module 11 may also be an organic light emitting display module, the organic light emitting display module includes an organic light emitting display panel and a driving chip bound with the organic light emitting display panel, the organic light emitting display module, the self-luminous LED lamp can emit light under the driving of an electric signal input by the driving chip. The light emitting side of the display module 11 can also be provided with a touch functional layer 16, and the touch functional layer 16 can realize the touch of the user on the display module 11, so that the user can operate the display module 11 and input a control instruction conveniently. One side of the touch functional layer 16, which is far away from the display module 11, is provided with a protective cover plate 14, and the protective cover plate 14 is used for protecting the touch functional layer 16 and the display module 11, preventing the touch functional layer 16 and the display module 11 from being damaged by collision, and prolonging the service life of the touch display module 1. Optionally, the touch functional layer 16 and the protective cover plate 14 are attached by the optical cement 12 or the water cement, the light transmittance of the optical cement or the water cement is high, the light emitting of the display module 11 is not affected, the cementing strength is good, the bonding strength of the touch functional layer 16 and the protective cover plate 14 is enhanced, the heat resistance, the moisture resistance and the light aging resistance are high, and the service life of the touch display module 1 is conveniently prolonged. Illustratively, the protective cover 14 may be a light transmissive material such as glass. Be provided with coloured printing ink layer 13 between touch-control functional layer 16 and the protection apron 14, coloured printing ink layer 13 can shelter from the frame material at display module 11 and touch-control functional layer 16 edge for touch-control display module 1 outward appearance is pleasing to the eye. Optionally, the color of the colored ink layer 13 may be black, white or colored, and the color of the colored ink layer 13 may be set arbitrarily according to the user's requirement in this embodiment, and it is worth noting that when the color of the colored ink layer 13 is colored, the color of the colored ink layer 13 may be set to one of the colors, instead of setting the colors of the colored ink layer 13 to multiple colors at the same time, so as to facilitate the balance of the colors between the colored ink layer 13 and the display area 21. For example, the color of the colored ink layer 13 may be set to black in this embodiment, so as to achieve the integral black display effect of the colored ink layer 13 and the display area 21.
Referring to fig. 3, the touch display module includes a display area 21 and a non-display area 22 surrounding the display area 21, and the colored ink layer 13 is disposed in the non-display area 22 and surrounds the display area 21. Touch-control display module assembly still includes negative refraction layer 15, negative refraction layer 15 sets up in non-display area 22 to set up around display area 21 equally, as shown in fig. 3, on the direction x by non-display area 22 directional display area 21, the orthographic projection of negative refraction layer 15 on display module assembly surpasss colored printing ink layer 13 and is close to the orthographic projection on display module assembly of first edge L3 of display area 21, thereby prevent that the external light that the first edge L3 of colored printing ink layer 13 reflects from the light-emitting side outgoing of display module assembly. Because colored printing ink layer 13 absorbs the light energy stronger, so the luminance from the external light that colored printing ink layer 13 reflects is lower, is less than the luminance of the direct external light that is reflected by display module 11, so need prevent the external light that colored printing ink layer 13's first edge L3 reflects from display module's light-emitting side outgoing as far as possible, avoid being seen by the people's eye, thereby avoid producing the shadow between the great external light of luminance difference, influence user's visual effect. In the direction x, the positive projection of the negative refraction layer 15 on the display module entirely exceeds the positive projection of the first edge L3 on the display module, or partially exceeds the positive projection of the first edge L3 on the display module. The negative refraction layer 15 has a negative refraction characteristic, the negative refraction characteristic is a characteristic corresponding to the positive refraction characteristic, referring to fig. 5, fig. 5 is a schematic diagram of a refraction effect of a positive refraction characteristic provided by an embodiment of the present invention, fig. 6 is a schematic diagram of a refraction effect of a negative refraction characteristic provided by an embodiment of the present invention, referring to fig. 5, the positive refraction characteristic means that when an incident light ray λ 1 enters the positive refraction material, an outgoing light ray and the incident light ray thereof are respectively located at two sides of a normal of the positive refraction material, referring to fig. 6, the negative refraction characteristic means that when an incident light ray λ 2 enters the negative refraction material, an outgoing light ray and an incident light ray thereof are respectively located at the same side of a normal of the negative refraction material. The negative refraction layer in this embodiment utilizes its negative refractive index characteristic, changes the propagation direction of external light, reflects external light to non-light-emitting side, prevents that the marginal reflected external light that is close to the display area on colored printing ink layer from following display module's light-emitting side is emergent.
Alternatively, the negative refractive layer may be a photonic crystal having a negative refractive index. Photonic crystals refer to artificial periodic dielectric structures having the property of a photonic band gap, which means that waves in a certain frequency range cannot propagate in the periodic structure, and thus photonic crystals have a certain selectivity for the propagating light. In this embodiment, the negative refraction layer is a photonic crystal, the photonic crystal is a microstructure whose dielectric constant varies periodically with space, and the material of the photonic crystal may be at least one of inorganic or organic substances such as silicon, titanium dioxide, niobium pentoxide, silicon monoxide, polyvinyl acid, and polystyrene. From the above, the photonic crystal has a periodic structure to select light in a certain optical wave band for transmission. Specifically, the period length of the periodic structure of the photonic crystal is half of the wavelength of the transmittable light wave band, and in order to enable visible light of human eyes with a wavelength band of 400nm to 800nm to be transmitted in the photonic crystal, optionally, in this embodiment, the photonic crystal has a periodic structure, and the period length of the periodic structure may be 200nm to 400 nm. In this embodiment, the photonic crystal with the period length of 200nm to 400nm has a negative refractive index characteristic for visible light of human eyes with a waveband of 400nm to 800 nm.
Optionally, with continued reference to fig. 4, the negative refraction layer 15 is disposed between the touch functional layer 16 and the protective cover 14; the negative refraction layer 15 is disposed on a side of the colored ink layer 13 close to the first edge L3, and a sidewall of the negative refraction layer 15 away from the outer edge of the display area 21 is adjacent to a sidewall of the first edge L3 of the colored ink layer 13. When the negative refraction layer 15 is disposed between the touch functional layer 16 and the protective cover plate 14, the negative refraction layer 15 may be disposed in the same manner as the colored ink layer 13, and the negative refraction layer 15 is disposed completely on one side of the colored ink layer 13 along the direction x of the non-display area toward the display area, that is, the vertical projection of the negative refraction layer 15 on the display module 11 and the vertical projection of the colored ink layer 13 on the display module 11 are not overlapped completely, when the purpose of preventing the external light reflected by the first edge L3 of the colored ink layer 13 from exiting from the light-emitting side of the display module 11 is achieved in fig. 4, the negative refraction layer 15 is specifically disposed on one side of the first edge L3 of the colored ink layer 13, so that the negative refraction layer 15 can block the external light L1 'from entering the first edge L3 of the colored ink layer 13, and directly block the external light L1' from exiting to the light-emitting side of the touch display module, with external light L1 'from the side outgoing of touch-control display module assembly 1, perhaps return external light L1' to the non-side that colored printing ink layer 13 made external light L1 'can be absorbed by colored printing ink layer 13 at last to avoid producing the shadow between the great external light of the great difference in luminance of reflection, improve touch-control display module assembly 1's pleasing to the eye effect.
Optionally, with continued reference to fig. 4, the thickness of the negative refraction layer 15 is not less than the thickness of the colored ink layer 13; the sidewall of the outer edge of the negative refraction layer 15 away from the display area 21 overlaps with the sidewall of the first edge L3 of the colored ink layer 13, so that the external light cannot be reflected by the first edge L3 of the colored ink layer 13, and the reflected external light is prevented from generating a shadow.
In this embodiment, the thickness of negative refraction layer 15 is the same with the thickness of colored printing ink layer 13 to the edge that contacts negative refraction layer 15 and colored printing ink layer 13 aligns completely, and the lateral wall that the outward flange of display area 21 was kept away from on negative refraction layer 15 is identical completely with the lateral wall of the first edge L3 of colored printing ink layer 13 promptly, can enough prevent that the external light that the first edge L3 of colored printing ink layer 13 reflects from the light-emitting side outgoing of display module 11, can improve the aesthetic property that negative refraction layer 15 and colored printing ink layer 13 set up again.
Optionally, referring to fig. 7, fig. 7 is another cross-sectional view of the touch display module shown in fig. 3 along a line b-b', and the negative refraction layer 15 is disposed between the touch functional layer 16 and the colored ink layer 13; the positive projection of the negative refraction layer 15 on the display module 11 is partially overlapped with the positive projection of the colored ink layer 13 on the display module 11; or, the orthographic projection of the negative refraction layer 15 on the display module 11 covers the orthographic projection of the colored ink layer 13 on the display module 11.
In this embodiment, the negative refraction layer 15 may not be attached to the protective cover 14, but is disposed in a manner that the vertical projection of the display module 11 overlaps with the colored ink layer 13, or covers the colored ink layer 13, but it needs to be ensured that in the direction x from the non-display area 22 to the display area 21, the positive projection of the negative refraction layer 15 on the display module exceeds the positive projection of the first edge L3 of the colored ink layer 13 close to the display area 21 on the display module 11, in this embodiment, when the purpose of preventing the external light reflected by the first edge L3 of the colored ink layer 13 from exiting from the light-emitting side of the display module 11 is achieved, because the negative refraction layer 15 does not directly contact with the colored ink layer 13, the external light cannot be prevented from entering the first edge L3 of the colored ink layer 13, but when the external light L1 "enters the first edge L3 of the colored ink layer 13, the external light L1" is reflected to the negative refraction layer 15 through the colored ink layer 13, the refraction path of the external light L1 "is changed by the negative refraction layer 15, so that the external light L1" is transmitted to the non-display area and is absorbed by the colored ink layer 13, the external light reflected by the first edge L3 of the colored ink layer 13 is avoided from being emitted from the light-emitting side of the display module 11, the dark shadow generated between the external light with the larger brightness difference and reflected by the light-emitting side is prevented, and the attractive effect of the touch display module 1 is improved.
Fig. 7 shows a situation that the negative refraction layer 15 is attached to the touch functional layer 16, in this embodiment, the attachment of the negative refraction layer 15 and the touch functional layer 16 may not be limited, as shown in fig. 8, fig. 8 is another cross-sectional view of the touch display module in fig. 3 along a straight line b-b', and the negative refraction layer 15 may also be disposed on the optical adhesive 12 or the water adhesive structure, and can also play a role in preventing external light reflected by the first edge L3 of the colored ink layer 13 from exiting from the light exit side of the display module 11.
Optionally, fig. 9 is another cross-sectional view of the touch display module shown in fig. 3 along a line b-b', and the negative refraction layer 15 is disposed between the touch functional layer 16 and the display module 11; the positive projection of the negative refraction layer 15 on the display module 11 is partially overlapped with the positive projection of the colored ink layer 13 on the display module 11; or, the orthographic projection of the negative refraction layer 15 on the display module 11 covers the orthographic projection of the colored ink layer 13 on the display module 11.
In this embodiment, the negative refraction layer 15 is not attached to the protective cover 14, but is disposed in the vertical projection of the display module 11 and partially overlapped with the colored ink layer 13, or covers the colored ink layer 13, but it needs to be ensured that in the direction x from the non-display area 22 to the display area 21, the positive projection of the negative refraction layer 15 on the display module exceeds the positive projection of the first edge L3 of the colored ink layer 13 close to the display area 21 on the display module 11, in this embodiment, the negative refraction layer 15 is disposed between the touch functional layer 16 and the display module 11, when the purpose of preventing the external light reflected by the first edge L3 of the colored ink layer 13 from exiting from the light-emitting side of the display module 11 is achieved, because the negative refraction layer 15 is not in direct contact with the colored ink layer 13, the external light cannot be prevented from entering the first edge L3 of the colored ink layer 13, but when the external light L1 "enters the first edge L3 of the colored ink layer 13, external light L1 "reflects to negative refraction layer 15 through colored printing ink layer 13, change the refraction route of external light L1" by negative refraction layer 15, make external light L1 "be propagated to the non-display area and absorbed by colored printing ink layer 13, then the external light of the first edge L3 reflection of colored printing ink layer 13 has been avoided equally from the outgoing light side of display module 11, prevent to produce the shadow between the great external light of the luminance difference of the outgoing light side reflection, improve the pleasing to the eye effect of touch-control display module 1.
In the example of the touch display module shown in fig. 9, the negative refraction layer 15 is attached to the touch functional layer 16, referring to fig. 10, fig. 10 is another cross-sectional view of the touch display module shown in fig. 3 along a line b-b ', the negative refraction layer 15 may be attached to the display module 11, or as shown in fig. 11, fig. 11 is another cross-sectional view of the touch display module shown in fig. 3 along a line b-b', the negative refraction layer 15 may be disposed in the optical adhesive 12 between the touch functional layer 16 and the display module 11, and each of the touch display modules can prevent the external light reflected by the first edge L3 of the colored ink layer 13 from exiting from the light-emitting side of the display module 11.
The embodiment of the invention also provides a display device. Fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention, and as shown in fig. 12, the display device according to the embodiment of the present invention includes the touch display module 1 according to any embodiment of the present invention. The display device may be a mobile phone as shown in fig. 12, or may be a tablet, a computer, a television, an intelligent wearable device, a vehicle-mounted display device, and the like, which is not particularly limited in this embodiment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A touch display module is characterized by comprising: a display module; the touch control functional layer is arranged on the light emitting side of the display module; the protective cover plate is arranged on one side, away from the display module, of the touch functional layer; the touch display module comprises a display area and a non-display area surrounding the display area; a colored ink layer is arranged on one side, close to the touch functional layer, of the protective cover plate; the colored ink layer is positioned in the non-display area and arranged around the display area;
the negative refraction layer is arranged between the display module and the protective cover plate; the negative refraction layer is positioned in the non-display area and arranged around the display area; the negative refraction layer is arranged on the display module, at least part of the positive projection on the display module exceeds the positive projection of the colored ink layer close to the first edge of the display area on the display module, and the external light reflected by the first edge of the colored ink layer is prevented from being emitted from the light emitting side of the display module.
2. The touch display module of claim 1, wherein the negative refraction layer is disposed between the touch functional layer and the protective cover;
the negative refraction layer is arranged on one side of the colored ink layer close to the first edge, and the side wall of the negative refraction layer, which is far away from the outer edge of the display area, is adjacent to the side wall of the first edge of the colored ink layer.
3. The touch display module of claim 2, wherein the thickness of the negative refraction layer is not less than the thickness of the colored ink layer; the side wall of the negative refraction layer, which is far away from the outer edge of the display area, is overlapped with the side wall of the first edge of the colored ink layer.
4. The touch display module of claim 1, wherein the negative refraction layer is disposed between the touch functional layer and the colored ink layer;
the positive projection of the negative refraction layer on the display module is partially overlapped with the positive projection of the colored ink layer on the display module; alternatively, the first and second electrodes may be,
and the orthographic projection of the negative refraction layer on the display module covers the orthographic projection of the colored ink layer on the display module.
5. The touch display module of claim 1, wherein the negative refraction layer is disposed between the touch functional layer and the display module;
the positive projection of the negative refraction layer on the display module is partially overlapped with the positive projection of the colored ink layer on the display module; alternatively, the first and second electrodes may be,
and the orthographic projection of the negative refraction layer on the display module covers the orthographic projection of the colored ink layer on the display module.
6. The touch display module of claim 1, wherein the negative refraction layer is a photonic crystal with a negative refractive index.
7. The touch display module according to claim 6, wherein the negative refraction layer is a photonic crystal, the photonic crystal is a microstructure whose dielectric constant varies periodically with space, and the photonic crystal is made of at least one of inorganic or organic substances such as silicon, titanium dioxide, niobium pentoxide, silicon monoxide, polyvinyl acid, and polystyrene.
8. The touch display module of claim 6, wherein the photonic crystal has a periodic structure, and the period length of the periodic structure is 200nm to 400 nm.
9. The touch display module of claim 1, wherein the color of the colored ink layer is black, white, or colored.
10. A display device comprising the touch display module of any one of claims 1-9.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112181198A (en) * | 2020-09-25 | 2021-01-05 | 业成科技（成都）有限公司 | Touch module and electronic equipment |
| CN112289808A (en) * | 2020-10-27 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113628571A (en) * | 2020-05-07 | 2021-11-09 | 广州汽车集团股份有限公司 | Integrated black display method for glass cover plate display screen |
| CN114115596A (en) * | 2021-11-23 | 2022-03-01 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method thereof |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348959B1 (en) * | 1998-12-21 | 2002-02-19 | Philips Electronics North America Corporation | Reflective LCD with dark borders |
| US20050207722A1 (en) * | 2004-03-16 | 2005-09-22 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Refractive boundary elements, devices, and materials |
| US20080043475A1 (en) * | 2006-06-21 | 2008-02-21 | Advantech Global, Ltd. | System and method for total light extraction from flat-panel light-emitting devices |
| KR20090028904A (en) * | 2007-09-17 | 2009-03-20 | 엘지전자 주식회사 | Information storage device |
| WO2013075348A1 (en) * | 2011-11-25 | 2013-05-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| US20140016043A1 (en) * | 2012-07-13 | 2014-01-16 | Apple Inc. | Touch Screen Display with Transparent Electrical Shielding Layer |
| JP2015005049A (en) * | 2013-06-19 | 2015-01-08 | 大日本印刷株式会社 | Touch panel cover member and manufacturing method of the cover member |
| CN204463067U (en) * | 2015-01-23 | 2015-07-08 | 南昌欧菲光学技术有限公司 | Touch-control display panel and dark border contact panel thereof |
| CN205665676U (en) * | 2016-05-03 | 2016-10-26 | 厦门天马微电子有限公司 | Display screen cover plate and display screen |
| US20170068364A1 (en) * | 2015-09-09 | 2017-03-09 | Boe Technology Group Co., Ltd. | Display module and display device |
| CN107678598A (en) * | 2014-12-02 | 2018-02-09 | 广东欧珀移动通信有限公司 | Touching display screen structure and its manufacture method and terminal |
| CN108089386A (en) * | 2017-12-29 | 2018-05-29 | 广东欧珀移动通信有限公司 | cover board, display module and mobile terminal |
| CN108234701A (en) * | 2018-01-16 | 2018-06-29 | 广东欧珀移动通信有限公司 | Display screen module and mobile terminal |
| US20190056618A1 (en) * | 2017-08-16 | 2019-02-21 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method thereof |
| CN209327999U (en) * | 2019-03-26 | 2019-08-30 | 信利光电股份有限公司 | A kind of black touch-control display module of one |
| US20190346719A1 (en) * | 2017-05-12 | 2019-11-14 | Boe Technology Group Co., Ltd. | Display device and method for fabricating the same |
-
2019
- 2019-11-29 CN CN201911205679.7A patent/CN110865741B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348959B1 (en) * | 1998-12-21 | 2002-02-19 | Philips Electronics North America Corporation | Reflective LCD with dark borders |
| US20050207722A1 (en) * | 2004-03-16 | 2005-09-22 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Refractive boundary elements, devices, and materials |
| US20080043475A1 (en) * | 2006-06-21 | 2008-02-21 | Advantech Global, Ltd. | System and method for total light extraction from flat-panel light-emitting devices |
| KR20090028904A (en) * | 2007-09-17 | 2009-03-20 | 엘지전자 주식회사 | Information storage device |
| WO2013075348A1 (en) * | 2011-11-25 | 2013-05-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| US20140016043A1 (en) * | 2012-07-13 | 2014-01-16 | Apple Inc. | Touch Screen Display with Transparent Electrical Shielding Layer |
| JP2015005049A (en) * | 2013-06-19 | 2015-01-08 | 大日本印刷株式会社 | Touch panel cover member and manufacturing method of the cover member |
| CN107678598A (en) * | 2014-12-02 | 2018-02-09 | 广东欧珀移动通信有限公司 | Touching display screen structure and its manufacture method and terminal |
| CN204463067U (en) * | 2015-01-23 | 2015-07-08 | 南昌欧菲光学技术有限公司 | Touch-control display panel and dark border contact panel thereof |
| US20170068364A1 (en) * | 2015-09-09 | 2017-03-09 | Boe Technology Group Co., Ltd. | Display module and display device |
| CN205665676U (en) * | 2016-05-03 | 2016-10-26 | 厦门天马微电子有限公司 | Display screen cover plate and display screen |
| US20190346719A1 (en) * | 2017-05-12 | 2019-11-14 | Boe Technology Group Co., Ltd. | Display device and method for fabricating the same |
| US20190056618A1 (en) * | 2017-08-16 | 2019-02-21 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method thereof |
| CN108089386A (en) * | 2017-12-29 | 2018-05-29 | 广东欧珀移动通信有限公司 | cover board, display module and mobile terminal |
| CN108234701A (en) * | 2018-01-16 | 2018-06-29 | 广东欧珀移动通信有限公司 | Display screen module and mobile terminal |
| CN209327999U (en) * | 2019-03-26 | 2019-08-30 | 信利光电股份有限公司 | A kind of black touch-control display module of one |
Non-Patent Citations (3)
| Title |
|---|
| MARTINEZ,A等: "Positive phase evolution of waves propagating along a photonic crystal with negative index of refraction" * |
| 彭金璋;彭景翠;周仁龙;: "双凹曲面结构光子晶体的聚焦特性及负折射效应", no. 05 * |
| 耿滔: "负折射率材料的基础研究" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628571A (en) * | 2020-05-07 | 2021-11-09 | 广州汽车集团股份有限公司 | Integrated black display method for glass cover plate display screen |
| CN112181198A (en) * | 2020-09-25 | 2021-01-05 | 业成科技（成都）有限公司 | Touch module and electronic equipment |
| CN112181198B (en) * | 2020-09-25 | 2022-12-02 | 业成科技（成都）有限公司 | Touch module and electronic equipment |
| CN112289808A (en) * | 2020-10-27 | 2021-01-29 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN114115596A (en) * | 2021-11-23 | 2022-03-01 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method thereof |
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