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EP-4207960-B1 - WHOLE UNIT STRUCTURE AND DISPLAY DEVICE

EP4207960B1EP 4207960 B1EP4207960 B1EP 4207960B1EP-4207960-B1

Inventors

  • WANG, Tengfei
  • WANG, ZHENG
  • GENG, Shixin
  • WANG, HETAO
  • HAN, Tianyang

Dates

Publication Date
20260506
Application Date
20220303

Claims (14)

  1. A set, wherein the set comprises a display module (4), a bezel (1), a back housing (2) and a system board (3), wherein the bezel (1) is sleeved over a periphery of the display module (4); the back housing (2) comprises a first shell (21) on a side opposite to a back plate (42) of the display module (4), and a second shell (22) adjacent to an inner peripheral surface of the bezel (1), wherein one end of the second shell (22) is connected to an edge of the first shell (21), and the other end of the second shell (22) is provided with a support portion (221) for supporting an edge of the display module (4), so that a reserved space (5) for accommodating the system board (3) is formed between the display module (4) and the first shell (21), and the second shell (22) is fixedly connected to the bezel (1), wherein the set further comprises a wireless transmission module, and wherein a hollow-out region (43a) is provided on the back plate (42) of the display module (4) at a position corresponding to the wireless transmission module, and the hollow-out region (43a) is configured to enable signals sent from or received by the wireless transmission module to pass through the back plate (42).
  2. The set according to claim 1, wherein the support portion (221) comprises a first sub-protrusion (221a) extending from the other end of the second shell (22) to a direction close to the display module (4), and a second sub-protrusion (221b) extending from one end of the first sub-protrusion (221a) close to the display module (4) to a side of the second shell (22) away from the bezel (1), wherein the second sub-protrusion (221b) abuts against an edge of the display module (4).
  3. The set according to claim 1, wherein a cover (43) for covering the hollow-out region (43a) is provided on the back plate (42).
  4. The set according to claim 1, wherein a contour shape and an outer peripheral dimension of the bezel (1) are respectively matched with a contour shape and an outer peripheral dimension of the display module (4).
  5. The set according to claim 1, wherein a limiting portion (11) for covering a non-display region of the display panel (46) is provided on a side of the bezel (1) close to a light-emitting surface of a display panel (46) of the display module (4).
  6. The set according to claim 1, wherein the bezel (1) has a rectangular orthographic projection on a plane where a light-emitting surface of the display module (4) is located, with two opposite longer sides and two opposite shorter sides; and the second shell (22) and the bezel (1) are fixedly connected on one side of each longer side of the bezel (1) through a plurality of first fastening screws (7), and the plurality of first fastening screws (7) on the one side of each longer side of the bezel (1) are arranged along a direction of the longer side.
  7. The set according to claim 6, wherein a distance between two adjacent first fastening screws (7) is greater than or equal to 40mm and less than or equal to 80mm.
  8. The set according to claim 6 or 7, wherein the bezel (1) and the display module (4) are fixedly connected on one side of each longer side of the bezel (1) through a plurality of second fastening screws (8), and the plurality of second fastening screws (8) on the one side of each longer side of the bezel (1) are arranged along the direction of the longer side; and a same number of second fastening screws (8) as the first fastening screws (7) on a same side are provided on the one side of each longer side of the bezel (1), and a central connection line of orthographic projections of at least some of the first fastening screws (7) and the second fastening screws (8) on a section of the bezel (1) parallel to the longer side is perpendicular to an extending direction of the longer side, preferably, wherein a protrusion (223) protruding relative to the inner surface is provided on an inner surface of the second shell (22) facing away from the bezel (1), and a threaded hole (223a), penetrating from an end face of the protrusion (223) facing away from the bezel (1) to an outer surface of the second shell (22) opposite to the bezel (1), is provided in the protrusion (223) and configured for threaded engagement with one of the first fastening screws (7).
  9. The set according to claim 1, wherein a plurality of fixing posts (222) are provided on a side surface of the first shell (21) close to the display module (4), and the plurality of fixing posts (222) is configured to fix the system board (3) so that a gap is reserved between the system board (3) and an inner surface of the first shell (21) opposite to the display module (4).
  10. The set according to claim 1, wherein a surface of the back plate (42) of the display module (4) opposite to the first shell (21) is provided with a plurality of support posts (44), and the plurality of support posts (44) abut against an inner surface of the first shell (21) opposite to the display module (4).
  11. The set according to claim 1, wherein a stepped portion (224) is provided on the other end of the second shell (22) away from the first shell (21) in a region opposite to the system board (3), and the stepped portion (224) is configured to escape an edge of the system board (3) as well as an interface on the system board (3), preferably, wherein the stepped portion (224) comprises a first step surface (224a) lower than the other end of the second shell (22) away from the first shell (21), and a second step surface (224b) lower than the first step surface (224a), wherein a distance is provided between the first step surface (224a) and a surface of the system board (3) opposite to the first shell (21); and the second step surface (224b) is lower than at least one interface on the system board (3).
  12. The set according to claim 1, wherein the first shell (21) is provided with a recess portion (23) recessed from an outer surface of the first shell (21) facing away from the display module (4) toward the display module (4); and the recess portion (23) is provided with a fixing portion (24) and an interface portion (25), optionally, wherein at least one of a USB interface, a power interface or a memory card interface is correspondingly disposed on the second shell (22) and the bezel (1), optionally, wherein an aspect ratio of a display region of a display panel (46) of the display module (4) is greater than or equal to 4:1.
  13. The set according to claim 1, wherein the display module (4) comprises the back plate (42), a reflective sheet (40), a light guide plate (49), at least one functional film layer (48), a display panel (46), and an intermediate frame (41), the reflective sheet (40), the light guide plate (49), the at least one functional film layer (48) and the display panel (46) are located on a side of the back plate (42) away from the first shell (21), and sequentially arranged in a direction away from the back plate (42), and the intermediate frame (41) surrounds the reflective sheet (40), the light guide plate (49), the at least one functional film layer (48) and the display panel (46); wherein a backlight source (491) is provided oppositely on a side of a light incident surface of the light guide plate (49), preferably, wherein the intermediate frame (41) comprises an intermediate frame body (41a) surrounding the reflective sheet (40), the light guide plate (49), the at least one functional film layer (48) and the display panel (46), and a positioning frame body (41b) between the display panel (46) and the at least one functional film layer (48), wherein the positioning frame body (41b) is configured to bear the display panel (46), and a buffer gasket (47) is provided between the positioning frame body (41b) and the display panel (46), and between the positioning frame body (41b) and the at least one functional film layer (48), respectively, and wherein a positioning protrusion (411) is provided at a position of the positioning frame body (41b) opposite to the light guide plate (49), and the positioning protrusion (411) is abutted against the light guide plate (49) to fix the light guide plate (49).
  14. A display apparatus, comprising the set according to any one of claims 1 to 13.

Description

TECHNICAL FIELD The present disclosure relates to the field of display technology, and specifically relates to a set and a display apparatus. BACKGROUND The set of display screen (e.g., bar screen) demonstrated at brand shops, on goods shelves or the like in the existing market have the following defect: no system board is equipped in the set, and a user needs to prepare and assemble a system board. SUMMARY To solve at least one of the technical problems in the existing art, the present disclosure provides a set and a display apparatus which can implement preparation and assembly of a system board. The invention is directed to a set as recited in appended independent claim 1 and to a display apparatus as recited in appended independent claim 14. Other aspects of the invention are recited in the appended dependent claims. The present disclosure has the following beneficial effects: according to the technical solutions of the set and the display apparatus provided in the embodiments of the present disclosure, the back housing of the set includes a first shell on a side opposite to a back plate of the display module, and a second shell on a side adjacent to an inner peripheral surface of the bezel. An edge of the display module is supported by means of the support portion on the other end of the second shell, so that a reserved space for accommodating the system board is formed between the display module and the first shell, which can implement preparation and assembly of the system board. The case where a user needs to prepare and assemble a system board is avoided. EP 3 572 866 A1 discloses a display device with a particular geometry of the back housing. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a partial sectional view of a set of a display module according to an embodiment of the present disclosure;FIG. 2 is an exploded view of a set of a display module according to the embodiment of the present disclosure;FIG. 3A is a structural diagram of a bezel used in an embodiment of the present disclosure;FIG. 3B is a partial structural diagram of one side of a bezel used in an embodiment of the present disclosure;FIG. 3C is a partial structural diagram of one corner of a bezel used in an embodiment of the present disclosure;FIG. 4 is a structural diagram of a display module according to an embodiment of the present disclosure;FIG. 5 is a structural diagram of a back housing used in an embodiment of the present disclosure;FIG. 6A is a structural diagram of a system board mounted on a back housing used in an embodiment of the present disclosure;FIG. 6B is a structural diagram of a support portion used in an embodiment of the present disclosure;FIG. 6C is a structural diagram of a protrusion used in an embodiment of the present disclosure;FIG. 6D is a structural diagram of a recess portion used in an embodiment of the present disclosure;FIG. 7 is a partial structural diagram of a second shell used in an embodiment of the present disclosure;FIG. 8A is a partial structural diagram of a back plate of a display module used in an embodiment of the present disclosure;FIG. 8B is a partial structural diagram illustrating connection between a back plate and an intermediate frame of a display module used in an embodiment of the present disclosure; andFIG. 8C is a partial structural diagram of a flange of a back plate of a display module used in an embodiment of the present disclosure. List of reference numerals: 1 - bezel; 11 - limiting portion; 121, 122 - threaded holes; 2 - back housing; 21 - first shell; 22 - second shell; 221 - support portion; 221a - first sub-protrusion; 221b - second sub-protrusion; 222 - fixing post; 223 - protrusion; 223a - threaded hole; 224 - stepped portion; 224a - first step surface; 224b - second step surface; 23 - recess portion; 24 - fixing portion; 25 - interface portion; 241 - opening; 3 - system board; 4 - display module; 40 - reflective sheet; 41 - intermediate frame; 41a - intermediate frame body; 41b - positioning frame body; 411 - positioning protrusion; 412 - slot; 42 - back plate; 421 - flange; 422 - protruding portion; 422a - threaded hole; 422b - accommodation space; 422c - protrusion; 423 - clamping piece; 43 - cover; 43a - hollow-out region; 44 - support post; 45 - protective shell; 451 - flat cable; 452 - connector; 453 - reinforcing rib; 46 - display panel; 47 - buffer gasket; 48 - at least one functional film layer; 49 - light guide plate; 491 - backlight source; 5 - reserved space; 61 - external connection hole; 7 - first fastening screw; and 8 - second fastening screw. DETAIL DESCRIPTION OF EMBODIMENTS To better understand the technical solution of the present disclosure for those skilled in the art, the set and the display apparatus of the present disclosure will be described in detail below in conjunction with the accompanying drawings. Referring to FIGs. 1 and 2, the set provided in this embodiment includes a display module 4, a bezel 1, a back housing 2 and a system board 3.