Display device

Abstract

The present disclosure provides a display device, which belongs to the field of display technology. The display device includes a transparent cover plate, a display panel, a frame assembly and an infrared touch assembly. The frame assembly includes an outer frame and a filter strip; the filter strip has a filter portion that covers the front edge of the transparent cover plate and a buffer portion located on the side of the transparent cover plate; the outer frame has an outer frame body, a front frame wall and a rear frame wall; the outer end of the front frame wall is connected to the outer frame body and the inner end covers the front surface of the filter portion; the outer end of the rear frame wall is connected to the outer frame body and has a contact portion that contacts the outer side of the buffer portion. The infrared touch assembly is fixed between the front frame wall and the rear frame wall, and is provided with an infrared transmitter or an infrared receiver; the display panel is fixed behind the transparent cover plate. The display device can reduce the touch height.

Description

Technical Field

[0001] The present disclosure relates to the field of display technology, and in particular, to a display device. Background Art

[0002] Infrared touch whiteboards determine the writing position by capturing the on-off signal of the infrared pair tube. The height of the lamp beads must be higher than the tempered glass surface on which the writing is done to ensure the effectiveness of the lamp bead signal transmission and reception. However, the current touch height is too high, resulting in a poor writing experience.

[0003] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0004] The purpose of the present disclosure is to overcome the above-mentioned deficiencies of the prior art and provide a display device to reduce the touch height.

[0005] According to one aspect of the present disclosure, a display device is provided, the display device comprising a transparent cover plate, a display panel, a frame assembly and an infrared touch assembly;

[0006] The frame assembly includes an outer frame and a filter strip;

[0007] The filter strip comprises a filter portion covering the front edge of the transparent cover plate and a buffer portion located on the side of the transparent cover plate;

[0008] The outer frame comprises an outer frame body, a front frame wall and a rear frame wall; the outer end of the front frame wall is connected to the outer frame body and the inner end thereof covers the front surface of the filter portion;

[0009] The outer end of the rear frame wall is connected to the outer frame body and has a contact portion that contacts the outer side of the buffer portion;

[0010] The infrared touch component is fixed between the front frame wall and the rear frame wall, and is provided with an infrared transmitter or an infrared receiver;

[0011] The display panel is fixed behind the transparent cover plate.

[0012] In one embodiment of the present disclosure, the buffer portion includes a bearing section and a guide section, and the width of the bearing section is not less than half the thickness of the transparent cover plate;

[0013] The guide section is connected to the rear end of the bearing section and is inclined outward.

[0014] In one embodiment of the present disclosure, all outer side surfaces of the bearing section are in contact connection with the contact portion.

[0015] In an embodiment of the present disclosure, the included angle between the guiding section and the side surface of the transparent cover plate is between 5° and 30°.

[0016] In an embodiment of the present disclosure, a chamfer is provided at the front edge of the transparent cover plate;

[0017] The buffer portion further includes a transition section, and the transition section is parallel to the chamfer of the front edge of the transparent cover plate;

[0018] The front end of the transition section is connected to the light filtering portion, and the rear end of the transition section is connected to the front end of the bearing section.

[0019] In an embodiment of the present disclosure, the thickness of the buffer portion is not less than 1 mm.

[0020] In an embodiment of the present disclosure, the dimension of the buffer portion in the front-rear direction is 0.9 to 1.3 times the thickness of the transparent cover plate.

[0021] In an embodiment of the present disclosure, the front frame wall is provided with a fastening protrusion protruding rearward, and the thickness of the rear end of the fastening protrusion is greater than the thickness of the front end of the fastening protrusion;

[0022] A fastening groove matching with the fastening protrusion is provided on the front side surface of the light filtering portion; the fastening protrusion is inserted into the fastening groove.

[0023] In an embodiment of the present disclosure, the front frame wall is provided with a fastening protrusion protruding rearward; a fastening groove matching with the fastening protrusion is provided on the front side surface of the light filtering portion; the fastening protrusion is inserted into the fastening groove;

[0024] The light filtering strip further includes a limiting protrusion protruding outward; the abutting portion abuts against the rear side surface of the limiting protrusion.

[0025] In an embodiment of the present disclosure, the rear frame wall further includes a rear frame wall main body and a connecting wall; the outer end of the rear frame wall main body is connected to the outer frame main body; the connecting wall is connected to the rear frame wall main body and extends to be connected to the abutting portion.

[0026] In an embodiment of the present disclosure, the rear frame wall main body is arranged at the rear side of the transparent cover plate.

[0027] In an embodiment of the present disclosure, the connecting wall includes a first connecting wall and a second connecting wall; the rear side end of the first connecting wall is connected to the front side surface of the rear frame wall main body, the front side end of the first connecting wall is connected to the outer end of the second connecting wall, and the inner end of the second connecting wall is connected to the abutting portion.

[0028] In an embodiment of the present disclosure, an avoidance groove is formed between the first connection wall, the second connection wall, and the main body of the rear frame wall;

[0029] The buffer portion includes a bearing section and a guiding section; the guiding section is connected to the rear end of the bearing section and extends towards the direction of the avoidance groove.

[0030] In an embodiment of the present disclosure, the frame assembly further includes a support member, the support member is connected to the outer frame and adhesively bonded to the rear side edge of the transparent cover plate through an elastic material.

[0031] In an embodiment of the present disclosure, the support member includes a first support vertical wall, a support horizontal wall, and a second support vertical wall;

[0032] The first support vertical wall is connected to the front side end of the support horizontal wall and extends inwards; the first support vertical wall is adhesively bonded to the rear side edge of the transparent cover plate through an elastic material; the second support vertical wall is connected to the rear end of the support horizontal wall and extends outwards; the second support vertical wall is connected to the outer frame.

[0033] In an embodiment of the present disclosure, the elastic material is double-sided tape;

[0034] The width of the adhesion surface between the double-sided tape and the transparent cover plate is 1.1 to 2.0 times the width of the contact surface between the light filtering portion and the transparent cover plate.

[0035] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present disclosure, and are used together with the specification to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0037] Figure 1 FIG. is a schematic structural diagram of a display device in an embodiment of the present disclosure.

[0038] Figure 2 FIG. is a partial structural schematic diagram of a display device in an embodiment of the present disclosure.

[0039] Figure 3 FIG. is a partial structural schematic diagram of a display device in an embodiment of the present disclosure.

[0040] Description of the reference numerals:

[0041] BP, transparent cover plate; PNL, display panel; AA, infrared touch component; A1, infrared emitter; A2, infrared receiver; A3, circuit board; AG, wiring cavity; CC, border component; DD, outer frame; D1, outer frame body; D2, front frame wall; D21, fastening protrusion; D22, first boss; D2G, first groove; D3, rear frame wall; D31, rear frame wall body; D32, connecting wall; D321, first connecting wall; D322, second connecting wall; D33, abutting portion; D34, second boss; D3G, second groove; EE, support member; E1, first support vertical wall; E2, second support vertical wall; E3, support horizontal wall; FF, light filter strip; F1, light filtering portion; F1G, fastening groove; F2, buffer portion; F21, transition section; F22, bearing section; F23, guiding section; F3, limiting protrusion; BB, back shell; HF, front side; HB, rear side; HI, inner side; HO, outer side. Detailed implementation manners

[0042] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed descriptions will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0043] The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.; the terms "first", "second", "third", etc. are only used as labels and are not a limitation on the quantity of their objects.

[0044] The present disclosure provides a display device capable of performing infrared touch. The display device can be an electronic whiteboard, a conference tablet, an interactive display board or other feasible display devices. Refer to Figure 1 , the display device includes a transparent cover plate BP, a display panel PNL, a border component CC and an infrared touch component AA. Among them, the transparent cover plate BP is disposed in front of the display panel PNL to protect the display panel PNL; the border component CC is disposed around the display device to provide a border; the infrared touch component AA is disposed in the border component CC and forms a touch surface in front of the transparent cover plate BP.

[0045] Refer to Figure 1, in the present disclosure, unless otherwise specified, the side of the display device for displaying the screen is defined as the front side HF, and the side opposite to the front side is positioned as the rear side HB. Exemplarily, the transparent cover plate BP is located in front of the display panel PNL; the display panel PNL emits light forward to display the screen.

[0046] , in the present disclosure, unless otherwise specified, the direction away from the center of the display plane is defined as the outer side HO, and the direction close to the center of the display plane is defined as the inner side HI. Exemplarily, the border component CC is located on the outer side of the transparent cover plate BP.

[0047] See Figure 2 and Figure 3 , in the display device of the present disclosure, the border component CC includes an outer frame DD and a light filtering strip FF.

[0048] The light filtering strip FF has a light filtering portion F1 pressing on the front side edge of the transparent cover plate BP and a buffer portion F2 located on the outer side of the transparent cover plate BP.

[0049] The outer frame DD has an outermost outer frame body D1, and has a front frame wall D2 and a rear frame wall D3; the outer end of the front frame wall D2 is connected to the outer frame body D1 and the inner end presses on the front side surface of the light filtering portion F1; the outer end of the rear frame wall D3 is connected to the outer frame body D1, and has a contact portion D33 contacting the outer side of the buffer portion F2. The infrared touch component AA is fixed between the front frame wall D2 and the rear frame wall D3, and is provided with an infrared emitter A1 or an infrared receiver A2 facing the light filtering portion F1. The display panel PNL is fixed behind the transparent cover plate BP.

[0050] In the display device of the present disclosure, the filter strip FF is in direct contact connection with the transparent cover plate BP, and no other film layers for fastening (such as foam double-sided tape, etc.) are provided between the two. In this way, the filter part F1 can be closer to the front surface of the transparent cover plate BP. The infrared rays emitted by the infrared emitter A1 can pass through the filter part F1 to enter the infrared receiver A2 in the opposite frame assembly. By detecting the occlusion of the infrared rays by an external object PN (such as a finger, a stylus), the external object can be positioned, and then a touch operation can be realized. Since the filter part F1 is closer to the front side surface of the transparent cover plate BP, the infrared rays for touch are closer to the front side surface of the transparent cover plate BP, which can reduce the touch height HH of the infrared touch and thus improve the touch experience. In the present disclosure, in order to fix the filter strip FF, the front frame wall D2 of the frame assembly CC can be pressed on the front side surface of the filter part F1, so that the filter part F1 is clamped between the transparent cover plate BP and the front frame wall D2, overcoming the problem that the filter strip FF is unstably arranged due to the non-bonding between the filter part F1 and the transparent cover plate BP. In the related art, a buffer foam double-sided tape needs to be arranged between the lower filter part and the transparent cover plate for bonding to fix the filter part; on the one hand, this significantly increases the distance between the infrared rays and the transparent cover plate, resulting in a poor writing experience due to the increased touch height. On the other hand, attaching the buffer foam double-sided tape requires relatively precise alignment, which makes the installation process more complicated and is not conducive to improving the assembly beat.

[0051] A buffer part F2 of the filter strip FF is arranged between the abutting part D33 of the frame assembly CC and the transparent cover plate BP, which makes the abutting part D33 of the frame assembly CC not in direct contact with the transparent cover plate BP. During a touch operation, the transparent cover plate BP is easily knocked and vibrates; however, when the transparent cover plate BP vibrates, it will not directly contact, collide with, or rub against the outer frame DD, thus avoiding the generation of abnormal noises due to the contact between the outer frame DD and the transparent cover plate BP. In the related art, the outer frame is in direct contact with the edge of the transparent cover plate, and the outer frame is made of a metal material; during touch, the transparent cover plate and the outer frame rub against each other to generate obvious abnormal noises, reducing the user experience.

[0052] In some embodiments, the frame assembly CC further includes a support member EE, the support member EE is connected to the outer frame DD, and is bonded to the rear side edge of the transparent cover plate BP through an elastic material. In this way, during touch, the vibration generated by the transparent cover plate BP can be at least partially absorbed by the elastic material. On the one hand, the vibration of the transparent cover plate BP can be reduced, and on the other hand, the generation of abnormal noises due to the friction between the transparent cover plate BP and the support member EE can be avoided.

[0053] Therefore, the display device of the present disclosure can not only reduce the touch height, but also reduce or eliminate abnormal noises during touch. It can be understood that in the present disclosure, touch includes that the display device changes the screen in response to a touch action. For example, the display device can track the trajectory of an external object PN (such as a finger, a stylus, etc.) through touch and perform display, achieving the effect of writing on the display device.

[0054] As follows, with reference to the accompanying drawings, the structure, principle and effect of the display device of the present disclosure will be further explained and described.

[0055] In the present disclosure, the material of the light filter strip FF can be a plastic material, such as PC (polycarbonate), etc. The infrared touch component AA can include an infrared emission unit and an infrared reception unit, and the infrared emission unit and the infrared reception unit are respectively arranged in two opposite outer frames DD. Among them, the infrared emission unit can include a circuit board A3 and an infrared emitter A1 (such as an infrared lamp bead) fixed on the circuit board A3. The infrared reception unit includes a circuit board A3 and an infrared receiver A2 (such as an infrared sensor) fixed on the circuit board A3. In two relatively arranged outer frames DD, one outer frame DD is provided with an infrared emission unit, and the other outer frame DD is provided with an infrared reception unit. Among them, the infrared rays emitted by the infrared emitter A1 can pass through the front of the transparent cover plate BP and pass through the light filter strip FF on the other side after being filtered by the light filter strip FF, and then be detected by the infrared receiver A2. When the optical path between the infrared emitter A1 and the infrared receiver A2 is blocked, such as blocked by a stylus or a finger, the infrared receiver A2 cannot sense the infrared rays, and the controller of the display device can thereby determine the position of the blocking object on the transparent cover plate BP to achieve positioning of the blocking object.

[0056] In some embodiments of the present disclosure, refer to Figure 2 and Figure 3 , the inner surface and the outer surface of the light filtering part F1 can be parallel to ensure that the part of the light filtering part F1 for filtering infrared rays has the same thickness (the dimension along the inner and outer directions).

[0057] In some embodiments of the present disclosure, the buffer portion F2 includes a bearing section F22, and the width of the bearing section F22 (the dimension in the front-rear direction) is not less than half of the thickness of the transparent cover plate BP (the dimension in the front-rear direction). The abutting portion D33 abuts at least partially against the outer side surface of the bearing section F22. In this way, when the display device is placed vertically, such as wall-mounted or erected by a bracket to be used as an electronic whiteboard, the lower bearing section F22 can bear the transparent cover plate BP and ensure a large bearing area between the bearing section F22 and the transparent cover plate BP, avoiding the slipping of the transparent cover plate BP due to a small bearing width (the dimension of the contact surface in the front-rear direction). In one example, the width of the bearing section F22 is not less than 3 / 4 of the thickness of the transparent cover plate BP.

[0058] In one embodiment of the present disclosure, the inner side surface of the bearing section F22 is parallel to the outer side surface of the transparent cover plate BP.

[0059] In one embodiment of the present disclosure, the entire outer side surface of the bearing section F22 is in abutting connection with the abutting portion D33.

[0060] In some embodiments of the present disclosure, referring to Figure 2 and Figure 3 , the buffer portion F2 may further include a guiding section F23; the guiding section F23 is connected to the rear end of the bearing section F22 and is inclined outward. In other words, along the direction of the rear side HB, the guiding sections F23 of the relatively arranged filter strips FF are overall in a flared shape. In this way, when assembling the transparent cover plate BP, the guiding section F23 can guide the transparent cover plate BP to slide into cooperation with the filtering portion F1, thereby reducing the assembly difficulty.

[0061] In one embodiment of the present disclosure, the angle between the guiding section F23 and the side surface of the transparent cover plate BP is between 5° and 30°. This can ensure that the guiding section F23 has a strong guiding effect.

[0062] In one embodiment of the present disclosure, at least part of the outer side surface of the guiding section F23 is in abutting connection with the abutting portion D33. In this way, the abutting portion D33 can provide support for the guiding section F23, so that the guiding section F23 can maintain its shape to guide the transparent cover plate BP. Of course, in other embodiments of the present disclosure, the outer side surface of the guiding section F23 may also be completely non-contact with the abutting portion D33; only when assembling the transparent cover plate BP, the guiding section F23 is bent under the pressure of the transparent cover plate BP to contact the abutting portion D33.

[0063] In one embodiment of the present disclosure, a chamfer matching the outer side surface of the guiding section F23 is provided on the inner side surface of the abutting portion D33 to effectively support the guiding section F23.

[0064] In some embodiments of the present disclosure, a chamfer is provided at the front edge of the transparent cover plate BP; the buffer portion F2 further includes a transition section F21, and the transition section F21 is parallel to the chamfer at the front edge of the transparent cover plate BP; the front end of the transition section F21 is connected to the light filtering portion F1, and the rear end of the transition section F21 is connected to the front end of the bearing section F22. In this way, the matching degree between the buffer portion F2 and the transparent cover plate BP can be improved, achieving a better buffering effect.

[0065] In some embodiments of the present disclosure, the thickness of the buffer portion F2 is not less than 1 mm. In this way, the light filtering strip FF can be prepared by an extrusion process as a whole, avoiding an increase in the extrusion cost due to too small a thickness of the buffer portion F2.

[0066] In some embodiments of the present disclosure, the dimension of the buffer portion F2 in the front-rear direction is 0.9 to 1.3 times the thickness of the transparent cover plate BP, for example, it can be 1.1 to 1.2 times the thickness of the transparent cover plate BP. In this way, both the bearing strength of the buffer portion F2 on the transparent cover plate BP can be ensured, and the increase in the extrusion cost caused by too long a dimension of the buffer portion F2 in the front-rear direction can be avoided.

[0067] See Figure 2 and Figure 3 , the outer frame DD has an outer frame body D1, a front frame wall D2, and a rear frame wall D3. Among them, the outer frame body D1 is located on the outermost side of the outer frame DD, and both the front frame wall D2 and the rear frame wall D3 are located inside the outer frame body D1 and are connected to the outer frame body D1.

[0068] In some embodiments of the present disclosure, the outer side surface of the outer frame body D1 can be substantially parallel to the normal of the display device. Of course, in some other embodiments, the outer side surface of the outer frame body D1 can form a certain angle with the normal direction of the display device, for example, it can form an angle of 0 to 10°, so that the outer side surface of the outer frame body D1 presents a certain inclination angle.

[0069] The outer end of the front frame wall D2 can be connected to the outer frame body D1, and the inner end of the front frame wall D2 can be in contact connection with the light filtering portion F1, so that the light filtering portion F1 presses on the front edge of the transparent cover plate BP. In some embodiments of the present disclosure, the front frame wall D2 is provided with a fastening protrusion D21 protruding rearward; the front side surface of the light filtering portion F1 is provided with a fastening groove F1G that cooperates with the fastening protrusion D21; the fastening protrusion D21 is inserted into the fastening groove F1G. In this way, on the one hand, the bonding strength between the front frame wall D2 and the light filtering strip FF can be improved, achieving better pressing and fixing of the light filtering strip FF. On the other hand, during assembly, the light filtering strip FF can be pre-fixed on the outer frame DD, and then the transparent cover plate BP can be assembled.

[0070] In an embodiment of the present disclosure, the thickness of the rear end of the fastening protrusion D21 (dimension in the inner-outer direction) is greater than the thickness of the front end of the fastening protrusion D21 (dimension in the inner-outer direction). The size of the fastening groove F1G matches the size of the fastening protrusion D21, and the height of its groove bottom (dimension of the groove bottom of the fastening groove F1G in the inner-outer direction) is greater than the height of its groove opening (dimension of the groove opening of the fastening groove F1G in the inner-outer direction). In this way, when the fastening protrusion D21 is inserted into the fastening groove F1G, the fastening protrusion D21 cannot disengage from the groove opening of the fastening groove F1G, thereby ensuring the reliability and bonding strength of the combination between the filter strip FF and the outer frame DD. In one example, the cross-section of the fastening protrusion D21 perpendicular to its extending direction is trapezoidal (such as isosceles trapezoid, right trapezoid, etc.) and the base of the trapezoid is at the rear side. In another example, the fastening protrusion D21 can also be in a T-shaped or T-like structure.

[0071] In another embodiment of the present disclosure, the filter strip FF further includes a limiting protrusion F3 protruding outward; the abutting portion D33 of the rear frame wall D3 abuts against the rear side surface of the limiting protrusion F3. In this way, the filter strip FF cooperates with both the fastening protrusion D21 and the abutting portion D33, thereby ensuring the reliability and bonding strength of the combination between the filter strip FF and the outer frame DD.

[0072] In some embodiments of the present disclosure, the inner side surface of the fastening groove F1G (i.e., the inner side surface of the fastening protrusion D21) is parallel to the inner side surface of the filtering portion F1.

[0073] In some embodiments of the present disclosure, the inner side surface of the filtering portion F1 is coplanar with the inner side surface of the front frame wall D2. Exemplarily, the inner side surface of the filtering portion F1 presents a certain slope angle, such that the two opposite filtering portions F1 present a wide opening facing forward. Specifically, along the direction facing forward, the inner side surface of the filtering portion F1 extends outward. Correspondingly, the inner side surface of the front frame wall D2 also presents the same slope angle, and the rear edge of the inner side surface of the front frame wall D2 is flush with the front edge of the inner side surface of the filtering portion F1.

[0074] In another embodiment of the present disclosure, the rear edge of the inner side surface of the front frame wall D2 is flush with the front edge of the inner side surface of the filtering portion F1.

[0075] In some embodiments of the present disclosure, the rear frame wall D3 further includes a rear frame wall main body D31 and a connecting wall D32; wherein, the outer end of the rear frame wall main body D31 is connected to the outer frame main body D1 and extends inward; the connecting wall D32 is connected to the rear frame wall main body D31 and extends to be connected to the abutting portion D33. In this way, the abutting portion D33 is connected to the outer frame main body D1 through the connecting wall D32 and the rear frame wall main body D31.

[0076] In an embodiment of the present disclosure, the rear frame wall main body D31 is disposed at the rear side of the transparent cover plate BP; the connecting wall D32 is connected to the front side surface of the rear frame wall main body D31 and extends to be connected to the abutting portion D33.

[0077] In an example, the connecting wall D32 includes a first connecting wall D321 and a second connecting wall D322. The plane of the first connecting wall D321 is arranged in the front-rear direction; the plane of the second connecting wall D322 is arranged in the inner-outer direction. In other words, the cross-section of the first connecting wall D321 perpendicular to its extending direction extends in the front-rear direction; the cross-section of the second connecting wall D322 perpendicular to its extending direction extends in the inner-outer direction.

[0078] In a further solution, an avoidance groove is formed among the first connecting wall, the second connecting wall and the rear frame wall main body. The guiding section extends towards the direction of the avoidance groove. In this way, on the one hand, interference in spatial position between the connecting wall and the guiding section can be avoided. Even if the guiding section is slightly longer due to manufacturing process errors, it can still extend into the avoidance groove without being blocked by the connecting wall. Therefore, this can reduce the manufacturing precision of the connecting wall and the light filtering strip, improve its process window, and further reduce the cost of the display device. On the other hand, when the guiding section guides the transparent cover plate to facilitate assembly, the avoidance groove can provide a certain space for the deformation of the guiding section, thereby facilitating the assembly process of the transparent cover plate. It can be understood that the guiding section extending towards the direction of the avoidance groove does not mean that the guiding section extends into the avoidance groove. The guiding section can either not be located in the avoidance groove at all or be partially located in the avoidance groove.

[0079] Among them, the rear end of the first connecting wall D321 is connected to the front side surface of the rear frame wall main body D31, the front end of the first connecting wall D321 is connected to the outer end of the second connecting wall D322, and the inner end of the second connecting wall D322 is connected to the abutting portion D33.

[0080] In some embodiments of the present disclosure, a first groove D2G is provided on the rear side surface of the front frame wall D2; a second groove D3G is provided on the front side surface of the rear frame wall D3; the infrared touch component AA includes a circuit board A3 and an infrared emitter A1 or an infrared receiver A2 disposed on the circuit board A3.

[0081] Both sides of the circuit board A3 are respectively inserted into the first groove D2G and the second groove D3G; the infrared emitter A1 or the infrared receiver A2 faces the light filtering portion F1 to emit infrared rays from the light filtering portion F1 or receive the infrared rays transmitted through the light filtering portion F1. Among them, the first groove D2G and the second groove D3G are arranged opposite to each other in the front-rear direction.

[0082] In an embodiment of the present disclosure, a first boss D22 protruding rearward is provided on the rear side surface of the front frame wall D2, and a first groove D2G is formed on the first boss D22. In this way, it is possible to avoid local thinning of the front frame wall D2 caused by the first groove D2G, and thus ensure that the front frame wall D2 can still maintain a relatively high strength even when the first groove D2G is provided.

[0083] In an embodiment of the present disclosure, the second groove D3G is provided on the front side surface of the rear frame wall main body D31.

[0084] In an example, a second boss D34 protruding forward is provided on the front side surface of the rear frame wall main body D31, and the second groove D3G is formed on the second boss D34.

[0085] In an example, the second groove D3G is provided on the outer side of the first connecting wall D321.

[0086] In an example, the first connecting wall D321 is also connected to the second boss D34.

[0087] In an example, a chamfer is provided at the inner front edge of the rear frame wall main body D31 to reduce the weight of the rear frame wall main body D31 and save materials. Further, the outer end of the chamfer intersects with the inner edge of the rear end of the first connecting wall D321 to minimize the material consumption and weight of the rear frame wall main body D31 while ensuring the connection strength between the first connecting wall D321 and the rear frame wall main body D31.

[0088] In some embodiments of the present disclosure, a wiring cavity AG is formed between the circuit board A3 and the outer frame main body D1. The signal ports of the circuit board A3 are disposed in the wiring cavity AG. Thus, when different outer frames DD are spliced together, the circuit boards A3 in each outer frame DD can be electrically connected through the signal ports.

[0089] In some embodiments of the present disclosure, the support member EE includes a first support vertical wall E1, a support horizontal wall E3, and a second support vertical wall E2; the plane of the support horizontal wall E3 extends in the front-rear direction, and the planes of the first support vertical wall E1 and the second support vertical wall E2 extend in the inner-outer direction. In other words, in a cross-section perpendicular to the extending direction of the support member EE, the cross-sections of the first support vertical wall E1 and the second support vertical wall E2 extend in the inner-outer direction, and the cross-section of the support horizontal wall E3 extends in the front-rear direction.

[0090] The first support vertical wall E1 is connected to the front end of the support horizontal wall E3 and extends inward; an elastic material MM is used to bond between the first support vertical wall E1 and the rear edge of the transparent cover plate BP; the second support vertical wall E2 is connected to the rear end of the support horizontal wall E3 and extends outward; the second support vertical wall E2 is connected to the outer frame DD.

[0091] In an embodiment of the present disclosure, between the first support vertical wall E1 and the rear edge of the transparent cover plate BP, a material that is both elastic and adhesive can be provided to bond the first support vertical wall E1 and the transparent cover plate BP. In one example, double-sided tape is provided between the first support vertical wall E1 and the rear edge of the transparent cover plate BP. In a further solution, the width of the adhesion surface between the double-sided tape and the transparent cover plate (the dimension in the inner and outer direction) is 1.1 to 2.0 times, for example 1.3 to 1.5 times, the width of the contact surface between the light filtering part and the transparent cover plate (the dimension in the inner and outer direction).

[0092] In another embodiment of the present disclosure, between the first support vertical wall E1 and the rear edge of the transparent cover plate BP, a composite layer formed by an adhesive layer and an elastic material layer can be provided to bond the first support vertical wall E1 and the transparent cover plate BP. In one example, a stacked adhesive layer, a buffer foam layer, and an adhesive layer can be provided between the first support vertical wall E1 and the rear edge of the transparent cover plate BP.

[0093] In an embodiment of the present disclosure, the inner side surface of the rear frame wall body D31 can be arranged in the front-rear direction, and the outer side surface of the support horizontal wall E3 can be in contact with the inner side surface of the rear frame wall body D31. In this way, the rear frame wall body D31 can position and support the support horizontal wall E3, improving the bonding strength and bonding stability between the support member EE and the outer frame DD.

[0094] In an embodiment of the present disclosure, an assembly surface is provided on the rear side surface of the rear frame wall body D31, and the front side surface of the second support vertical wall E2 can cooperate with the assembly surface.

[0095] In an embodiment of the present disclosure, the second support vertical wall E2 can be fixed to the rear frame wall body D31, for example, fixed to the rear frame wall body D31 by screws or adhesives.

[0096] In an embodiment of the present disclosure, the thickness of the rear frame wall main body D31 (dimension in the front-back direction) can be greater than the thickness of the outer frame main body D1 (dimension in the inner-outer direction). For example, it can be 1.2 to 2 times the maximum thickness of the outer frame main body D1. In this way, on the one hand, the strength of the rear frame wall main body D31 itself can be improved, enabling it to have sufficient strength to bear the force conducted from the second support vertical wall E2 and the abutting portion D33. On the other hand, it can also result in a larger bonding area between the rear frame wall main body D31 and the outer frame main body D1, improving the bonding strength between the two. Finally, the outer frame DD has sufficient strength to fix the transparent cover plate BP and withstand the vibration generated when the transparent cover plate BP is struck (such as the collision of the transparent cover plate BP when touched by a stylus).

[0097] In some embodiments of the present disclosure, the display device is further provided with a back shell BB, and the back shell BB is located at the rear side of the display panel PNL and fixed to the frame assembly CC.

[0098] In an embodiment of the present disclosure, referring to Figure 2 , a gap can be reserved between the second support vertical wall E2 and the outer frame main body D1; the edge of the back shell BB can be bent and inserted into the reserved gap.

[0099] In the present disclosure, the material of the transparent cover plate BP can be an inorganic material or an organic material. For example, in some embodiments of the present disclosure, the material of the transparent cover plate BP can be glass materials such as soda-lime glass, quartz glass, sapphire glass, etc. For another example, in some embodiments of the present disclosure, the material of the transparent cover plate BP can be transparent organic materials such as Polymethyl methacrylate (PMMA), Polyvinyl alcohol (PVA), Polyvinyl phenol (PVP), Polycarbonate (PC), Polyethylene terephthalate (PET), Polyethylenenaphthalate (PEN), etc.

[0100] In one example, the transparent cover plate BP is a tempered glass cover plate.

[0101] In some embodiments of the present disclosure, the materials of the outer frame DD and the support EE can be metal materials, such as alloy materials, to improve the strength of the outer frame DD and the support EE. It can be understood that the materials of the outer frame DD and the support EE can be the same or different. In one example, the materials of the outer frame DD and the support EE are aluminum alloy.

[0102] In the present disclosure, the display panel PNL may be an OLED display panel (organic electroluminescent display panel), a MicroLED display panel (micro light-emitting diode display panel), a QD-OLED display panel (quantum dot-organic electroluminescent diode display panel), a QD-OLED display panel (quantum dot light-emitting diode), an LCD display panel (liquid crystal display panel), an EPD display panel (electrophoretic display panel), or other feasible display panels. As long as it can display images, the present disclosure does not make special limitations. Exemplarily, in one implementation of the present disclosure, the display panel is an LCD display panel, and the LCD display panel includes a display module arranged in a stacked manner and a backlight module disposed behind the display module.

[0103] After considering the specification and practicing the invention disclosed herein, those skilled in the art will readily conceive of other embodiments of the present disclosure. This application is intended to cover any variations, uses, or adaptations of the present disclosure, which follow the general principles of the present disclosure and include known common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and examples are only regarded as exemplary, and the true scope and spirit of the present disclosure are pointed out by the appended claims.

Claims

1. A display device, characterized in that, The display device includes a transparent cover plate, a display panel, a frame assembly, and an infrared touch component; The frame assembly includes an outer frame and a light filter strip; The light filter strip has a light filtering portion that presses against the front edge of the transparent cover plate and a buffer portion located on the side surface of the transparent cover plate; the buffer portion includes a bearing section, and the width of the bearing section is not less than half of the thickness of the transparent cover plate; The outer frame has an outer frame body, a front frame wall, and a rear frame wall; the outer end of the front frame wall is connected to the outer frame body and the inner end presses against the front surface of the light filtering portion; The outer end of the rear frame wall is connected to the outer frame body and has a contact portion that abuts against the outside of the buffer portion; the buffer portion is disposed between the contact portion and the transparent cover plate, so that there is no direct contact between the contact portion and the transparent cover plate; The infrared touch component is fixed between the front frame wall and the rear frame wall, and is provided with an infrared emitter or an infrared receiver; The display panel is fixed behind the transparent cover plate.

2. The display device according to claim 1, wherein the buffer portion further includes a guiding section, the guiding section is connected to the rear end of the bearing section and is inclined outward.

3. The display device according to claim 2, wherein The entire outer side surface of the bearing section is in contact connection with the contact portion.

4. The display device according to claim 2, wherein The angle between the guiding section and the side surface of the transparent cover plate is between 5° and 30°.

5. The display device according to claim 2, wherein The front edge of the transparent cover plate is provided with a chamfer; The buffer portion further includes a transition section, and the transition section is parallel to the chamfer of the front edge of the transparent cover plate; The front end of the transition section is connected to the light filtering portion, and the rear end of the transition section is connected to the front end of the bearing section.

6. The display device according to claim 1, wherein The thickness of the buffer portion is not less than 1 mm.

7. The display device according to claim 1, wherein The dimension of the buffer portion in the front-rear direction is 0.9 to 1.3 times the thickness of the transparent cover plate.

8. The display device according to any one of claims 1 to 7, characterized in that, The front frame wall is provided with a fastening protrusion protruding backward, and the thickness of the rear end of the fastening protrusion is greater than the thickness of the front end of the fastening protrusion; The front side surface of the light filtering portion is provided with a fastening groove that cooperates with the fastening protrusion; the fastening protrusion is inserted into the fastening groove.

9. The display device according to any one of claims 1 to 7, characterized in that The front frame wall is provided with a fastening protrusion protruding backward; the front side surface of the light filtering portion is provided with a fastening groove that cooperates with the fastening protrusion; the fastening protrusion is inserted into the fastening groove; The light filter strip further includes a limiting protrusion protruding outward; the contact portion abuts against the rear side surface of the limiting protrusion.

10. The display device according to any one of claims 1 to 7, characterized in that, The rear frame wall further includes a rear frame wall body and a connecting wall; the outer end of the rear frame wall body is connected to the outer frame body; the connecting wall is connected to the rear frame wall body and extends to be connected to the contact portion.

11. The display device according to claim 10, wherein The rear frame wall body is disposed behind the transparent cover plate.

12. The display device according to claim 10, wherein The connecting wall includes a first connecting wall and a second connecting wall; the rear end of the first connecting wall is connected to the front side surface of the rear frame wall body, the front end of the first connecting wall is connected to the outer end of the second connecting wall, and the inner end of the second connecting wall is connected to the contact portion.

13. The display device according to claim 12, wherein An avoidance groove is formed among the first connecting wall, the second connecting wall, and the rear frame wall body; The buffer portion includes a bearing section and a guiding section; the guiding section is connected to the rear end of the bearing section and extends in the direction of the avoidance groove.

14. The display device according to any one of claims 1 to 7, characterized in that, The border component further includes a support member, which is connected to the outer frame and adhesively bonded to the rear edge of the transparent cover plate through an elastic material.

15. The display device according to claim 14, characterized in that, The support member includes a first support vertical wall, a support horizontal wall, and a second support vertical wall; The first support vertical wall is connected to the front side end of the support horizontal wall and extends inward; the first support vertical wall is adhesively bonded to the rear edge of the transparent cover plate through an elastic material; The second support vertical wall is connected to the rear end of the support horizontal wall and extends outward; the second support vertical wall is connected to the outer frame.

16. The display device according to claim 14, characterized in that, The elastic material is double-sided tape; The width of the adhesion surface between the double-sided tape and the transparent cover plate is 1.1 to 2.0 times the width of the contact surface between the light filtering portion and the transparent cover plate.

Images