Display device
The display device addresses noise, vibration, and power transmission inefficiencies by using a belt and pulley system for the light shield layer, enhancing the functionality of transparent display devices.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- LG ELECTRONICS INC
- Filing Date
- 2024-11-26
- Publication Date
- 2026-06-04
AI Technical Summary
Existing display devices with transparent panels face issues such as noise and vibration during the movement of shading screens, inefficiencies in power transmission systems, and lack of a mechanism for opening and closing the rear surface.
A display device with a transparent display panel featuring a belt system, rollers, and pulleys that allow for the movement of a light shield layer, along with a driving mechanism to open and close the rear surface, incorporating a frame structure with a light-blocking film to reduce noise and vibration.
The solution provides a transparent display device with improved noise reduction, reduced vibration, and enhanced efficiency in power transmission, while allowing for the opening and closing of the rear surface.
Smart Images

Figure KR2024018824_04062026_PF_FP_ABST
Abstract
Description
Display device
[0001] The present disclosure relates to a display device. More specifically, the present disclosure relates to a display device having a transparent display panel.
[0002] As the information society develops, the demand for display devices is increasing in various forms; in response to this, various display devices such as LCD (Liquid Crystal Display), PDP (Plasma Display Panel), ELD (Electroluminescent Display), VFD (Vacuum Fluorescent Display), and OLED (Organic Light Emitting Diode) have recently been researched and are being used.
[0003] Among these, the LCD panel is equipped with a TFT substrate and a color substrate facing each other with a liquid crystal layer in between, and can display an image using light provided from a backlight unit. Additionally, the OLED panel can display an image by depositing a self-emissive organic layer on a substrate having a transparent electrode formed thereon.
[0004] Recently, much research is being conducted on transparent display panels that not only display images to the user but also allow the user to see behind the display panel.
[0005] The present disclosure aims to solve the aforementioned problems and other problems.
[0006] Another objective may be to provide a display device equipped with a transparent display panel.
[0007] Another purpose may be to provide a structure and driving mechanism for opening and closing the rear of a transparent display panel.
[0008] Another purpose may be to provide a frame structure in which a transparent display panel and a light-blocking film are combined.
[0009] Another purpose may be to improve the noise and / or vibration generated from the movement of the shading screen.
[0010] Another purpose may be to improve the efficiency of the power transmission system that moves the shading screen.
[0011] According to one aspect of the present disclosure for achieving the above or other purposes, a display device comprises: a display panel that displays an image and is transparent; a transparent panel facing the display panel; a middle frame extending along the side edge of the display panel; a belt embedded in the middle frame and moving along the length direction of the middle frame; a bar extending in a direction intersecting the middle frame and having one end fixed to the belt; a rotatable roller adjacent to a lower edge connected to the side edge of the display panel and extending along the lower edge of the display panel; a light shield layer having one end fixed to the bar and the other end coupled to the roller, which is wound or unwound from the roller when the bar moves; an upper pulley located above the middle frame and having the inner surface of the belt wound thereon; and a driving pulley adjacent to the lower side of the middle frame, rotating about the thickness direction of the light shield layer as an axis and having the inner surface of the belt wound thereon, wherein the belt comprises: an inner belt to which one end of the bar is fixed; And, the middle frame may include an outer belt located opposite the bar with respect to the inner belt, and the middle frame may include: an inner part that accommodates the inner belt and on which one end of the bar moves; and an outer part located opposite the bar with respect to the inner part and accommodating the outer belt.
[0012] The effects of the display device according to the present disclosure are described as follows.
[0013] According to at least one of the embodiments of the present disclosure, a display device having a transparent display panel can be provided.
[0014] According to at least one of the embodiments of the present disclosure, a structure and driving mechanism for opening and closing the rear surface of a transparent display panel can be provided.
[0015] According to at least one of the embodiments of the present disclosure, a frame structure in which a transparent display panel and a light-shielding film are combined can be provided.
[0016] According to at least one of the embodiments of the present disclosure, noise and / or vibration generated during the movement of the shading film can be improved.
[0017] According to at least one of the embodiments of the present disclosure, the efficiency of the power transmission system for moving the shading film can be improved.
[0018] Further scopes of the applicability of the present disclosure will become apparent from the following detailed description. However, since various changes and modifications within the spirit and scope of the present disclosure are clearly understood by those skilled in the art, specific embodiments, such as the detailed description and preferred embodiments of the present disclosure, should be understood as being given merely as examples.
[0019] FIGS. 1 to 26 are drawings illustrating examples of display devices according to embodiments of the present disclosure.
[0020] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Identical or similar components regardless of drawing symbols are given the same reference number, and redundant descriptions thereof will be omitted.
[0021] The suffixes "module" and "part" used for components in the following description are assigned or used interchangeably solely for the ease of drafting the specification, and do not inherently possess distinct meanings or roles.
[0022] In addition, when describing the embodiments disclosed in this specification, if it is determined that a detailed description of related prior art may obscure the essence of the embodiments disclosed in this specification, such detailed description is omitted. Furthermore, the attached drawings are intended only to facilitate understanding of the embodiments disclosed in this specification, and the technical concept disclosed in this specification is not limited by the attached drawings; it should be understood that they include all modifications, equivalents, and substitutions that fall within the concept and technical scope of this disclosure.
[0023] Terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but said components are not limited by said terms. These terms are used solely for the purpose of distinguishing one component from another.
[0024] When it is stated that one component is "connected" or "connected" to another component, it should be understood that while it may be directly connected or connected to that other component, there may also be other components in between. On the other hand, when it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between.
[0025] A singular expression includes a plural expression unless the context clearly indicates otherwise.
[0026] In this application, terms such as "comprising" or "having" are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.
[0027] The directional indications of Up (U), Down (D), Left (Le), Right (Ri), Front (F), and Rear (R) shown in the drawings are for convenience of explanation only and do not limit the technical concepts disclosed in this specification.
[0028]
[0029] Referring to FIG. 1, the display device (1) may include a display (10), a side frame (20), and a housing (90). The display (10) may display an image. The side frame (20) may extend along the perimeter of the display (10). The housing (90) may be located below the display (10) and the side frame (20). Alternatively, the housing (90) may be located above, to the left, or below the display (10) and the side frame (20).
[0030] The display (10) may include a first long side (LS1), a second long side (LS2) opposite to the first long side (LS1), a first short side (SS1) adjacent to the first long side (LS1) and the second long side (LS2), and a second short side (SS2) opposite to the first short side (SS1).
[0031] Meanwhile, for the convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are depicted and described as being longer than the lengths of the first and second short sides (SS1, SS2), but it is also possible for the lengths of the first and second long sides (LS1, LS2) to be approximately the same as or longer than the lengths of the first and second short sides (SS1, SS2).
[0032] The direction parallel to the long side (LS1, LS2) of the display (10) can be called the left-right direction. The direction parallel to the short side (SS1, SS2) of the display (10) can be called the up-down direction. The direction perpendicular to the long side (LS1, LS2) and short side (SS1, SS2) of the display (10) can be called the front-back direction.
[0033] The direction in which the display (10) displays an image can be called the front (F, z, see FIG. 4), and the opposite direction can be called the rear (R, -z, see FIG. 4). The first short side (SS1) can be called the left (Le, x). The second short side (SS2) can be called the right (Ri, -x). The first long side (LS1) can be called the top (U, y). The second long side (LS2) can be called the bottom (D, -y).
[0034] Hereinafter, a display panel using an Organic Light Emitting Diode (OLED) is described as an example, but the display panels applicable to the present disclosure are not limited thereto.
[0035]
[0036] Referring to FIG. 2, a pixel may include a light-emitting region and a transparent region. In the light-emitting region, subpixels of RGBW (Red, Green, Blue, White) may be arranged vertically, and the transparent region, which has no subpixels, may be arranged next to the light-emitting region.
[0037] Accordingly, a display panel (11, see FIG. 7) having multiple pixels can not only display an image but also allow light to pass through. The display panel (11, see FIG. 7) may be referred to as a transparent display panel or a transparent OLED panel.
[0038]
[0039] Referring to FIG. 3, a pixel may include a light-emitting region and a transparent region. In the light-emitting region, RGW (Red, Green, White) or BGW (Blue, Green, White) subpixels may be arranged adjacent to each other, and the transparent region, which has no subpixels, may be arranged next to the light-emitting region.
[0040] Accordingly, a display panel (11, see FIG. 7) having multiple pixels can not only display an image but also allow light to pass through. The display panel (11, see FIG. 7) may be referred to as a transparent display panel or a transparent OLED panel.
[0041]
[0042] Referring to FIGS. 4 and 5, the display (10) may be coupled to a side frame (20). A housing frame (71) may be coupled to or fixed to the side frame (20). The housing frame (71) may cover the rear of the display (10). The housing frame (71) may be located at the rear of the display (10). The housing frame (71) may be referred to as a rear frame (71), a rear plate (71), or a rear base (71). The length of the housing frame (71) may correspond to the length of the long side (LS1, LS2, see FIG. 1) of the display (10). The width of the housing frame (71) may be shorter than the length of the short side of the display (10).
[0043] There may be multiple motors (61). Each of the multiple motors (61) may be positioned at the rear of the display (10), adjacent to the left and right sides of the display (10). A pair of motors (61) may provide dual driving force. A gearbox (62) may correspond to the motors (61). Each of the multiple gearboxes (62) may be connected to each of the multiple motors (61). A pair of gearboxes (62) may transmit the dual driving force provided by a pair of motors (61). The motors (61) and / or gearboxes (62) may be coupled to or fixed to the rear of the housing frame (71). The motors (61) and / or gearboxes (62) may not be exposed to the front of the display device (1) by the housing frame (71). The bar (40) may move up and down while sliding on the side frame (20).
[0044]
[0045] Referring to FIG. 6 together with FIG. 5, the display (10) can be coupled to a side frame (20). A lower frame (18) can be coupled to or fixed to the side frame (20) and can support the display (10) from the lower side of the display (10). The side frame (20) may include a first part (21), a second part (22), and a third part (23).
[0046] The first part (21) can be coupled to the upper side of the display (10), the second part (22) can be coupled to the right side of the display (10), and the third part (23) can be coupled to the left side of the display (10). The lower frame (18) can be coupled to or fixed to the second part (22) and / or the third part (23) of the side frame (20).
[0047] Each of the vertical fixers (162) can be connected to each of the second part (22) and the third part (23), and the horizontal fixer (161) can be connected to the first part (21). The corner fixer (16) and the pulley (17) can be connected to the vertical fixer (161) and / or the horizontal fixer (162) at the upper corner.
[0048]
[0049] Referring to FIG. 7 together with FIG. 6, the display panel (11) can output an image by dividing the image into multiple pixels and matching the color, brightness, and saturation for each pixel. The display panel (11) can be divided into an active area (AA) where the image is displayed and a de-active area (DA) where the image is not displayed. The display panel (11) can generate light corresponding to the color red (R), green (G), or blue (B) according to a control signal.
[0050] The source PCB (14) may be adjacent to the lower edge of the display panel (11). The source PCB (14) may extend along the lower edge of the display panel (11). The source PCB (14) may be electrically connected to the display panel (11) via a Chip On Film (15). The source PCB (14) may be electrically connected to a timing controller board (T-CON board) via a cable (not shown), such as a Flexible Flat Cable (FFC).
[0051] A transparent panel (13) may be positioned in front of a display panel (11). The transparent panel (13) may be made of glass made of a transparent material. An adhesive film (12) may be positioned between the display panel (11) and the transparent panel (13) and may be bonded to the display panel (11) and the transparent panel (13). The adhesive film (12) may be an OCA film (Optically Clear Adhesive Film). The transparent panel (13) may be referred to as a front panel (13).
[0052] The adhesive film (12) can cover at least a portion of the rear surface of the transparent panel (13). For example, one side of the adhesive film (12) may be located closer to the center of the display panel (11) than the corresponding side of the transparent panel (13). The size or area of the adhesive film (12) may be smaller than the size or area of the transparent panel (13). For example, the upper side, left side, and right side of the adhesive film (12) may each be adjacent to the upper side, left side, and right side of the transparent panel (13), respectively, and the lower side of the adhesive film (12) may be spaced upward from the lower side of the transparent panel (13).
[0053] The size of the adhesive film (12) may correspond to the size of the display panel (11). For example, the diagonal length of the adhesive film (12) may be substantially the same as the diagonal length of the display panel (11). As another example, the diagonal length of the adhesive film (12) may be larger than the diagonal length of the display panel (11). A portion of the adhesive film (12) may be placed along the perimeter of the display panel (11) on the outside of the display panel (11). For example, the adhesive film (12) may form a rectangular line along the perimeter of the display panel (11).
[0054] The display panel (11), adhesive film (12), and transparent panel (13) can be called a display (10).
[0055]
[0056] Referring to FIG. 8 together with FIG. 7, the lower frame (18) may include a horizontal section (18c), a first vertical section (18a), a second vertical section (18b), and a connecting section (18d). The horizontal section (18c) may be an elongated plate, and the first vertical section (18a) may extend upward from the front edge of the horizontal section (18c) to form a right angle with the horizontal section (18c). The second vertical section (18b) may extend downward from the front edge of the horizontal section (18c) to form a right angle with the horizontal section (18c). The connecting section (18d) may protrude from the rear surface of the first vertical section (18a). The connecting section (18d) may be formed on the upper surface of the horizontal section (18c) and / or on the rear surface of the first vertical section (18a). A plurality of connecting sections (18d) may be arranged at regular intervals.
[0057] The transparent panel (13) may have a connecting groove (13d) with a portion removed from the lower edge. The connecting groove (13d) of the transparent panel (13) may correspond to the connecting portion (18d) of the lower frame (18). The connecting portion (18d) of the lower frame (18) may be inserted into the connecting groove (13d) of the transparent panel (13). The first vertical portion (18a) may cover the front of the transparent panel (13) adjacent to the lower edge of the transparent panel (13). The horizontal portion (18c) of the lower frame (18) may support the transparent panel (13).
[0058] The source PCB (14) may be positioned on the horizontal portion (18c) of the lower frame (18). The source PCB (14) may face or contact the horizontal portion (18c) of the lower frame (18).
[0059]
[0060] Referring to FIG. 9 together with FIG. 8, the PCB cover (19) may include a horizontal portion (19a), a folding portion (19c), a vertical portion (19b), and a fixed portion (19d). The horizontal portion (19a) may be an elongated plate and may cover the source PCB (14). The vertical portion (19b) may be formed by extending upward from the edge of the horizontal portion (19a) or by bending. The folding portion (19c) may face the vertical portion (19b) with respect to the horizontal portion (19a). The folding portion (19c) may extend from the horizontal portion (19a) while bending toward the lower surface of the horizontal portion (19a). The folding portion (19c) may face the horizontal portion (19a). The fixed portion (19d) may be formed on the vertical portion (19b). The fixed portion (19d) can be formed by protruding forward of the vertical portion (19b) as the vertical portion (19b) is pressed. The fixed portion (19d) can be fixed to the connecting portion (18d) of the lower frame (18).
[0061] When the folding portion (19c) of the PCB cover (19) is connected to the horizontal portion (18c) of the lower frame (18) and the fixing portion (19d) of the PCB cover (19) is fixed to the connecting portion (18d) of the lower frame (18), the PCB cover (19) can cover the source PCB (14).
[0062]
[0063] Referring to FIGS. 10 and 11, the display panel (11) may be placed on the back of the transparent panel (13). The display panel (11) may be adhered to or fixed to an adhesive film (12).
[0064] The frame fixer (16) may include a horizontal fixer (161), a vertical fixer (162), and a corner fixer (163). The horizontal fixer (161) may be formed integrally with the vertical fixer (162). The horizontal fixer (161) and the vertical fixer (162) may be referred to as the inner frame (161, 162). The horizontal fixer (161) may include a plate (161a) and a wall (161b). The plate (161a) extends horizontally and can be fixed to the first part (21) of the side frame (20). The wall (161b) may be formed on the plate (161a). The wall (161b) may protrude rearward from the outer surface of the plate (161a).
[0065] The vertical fixer (162) may include a plate (162a) and a wall (162b). The plate (162a) extends vertically and may be fixed to a third part (23) of the side frame (20). The wall (162b) may be formed on the plate (162a). The wall (162b) may protrude in the left and right directions from the outer surface of the plate (162a).
[0066] The corner fixer (163) may be a curved plate segment. The corner fixer (163) may be a plate (163a) curved along the corner of the vertical fixer (162) and the horizontal fixer (161). The pulley axis (163b) may extend outward from the outer surface of the plate (163a) of the corner fixer (163) toward the rear of the transparent panel (13). The corner fixer (163) may be bonded or fixed to the horizontal fixer (161) and / or the vertical fixer (162). The corner fixer (163) may be referred to as the left corner fixer (163) or the first corner fixer (163). If the corner fixer (163) is located at the corner formed by the first part (21) and the second part (22) of the side frame (20) (see FIG. 5), the corner fixer (163) may be called the right corner fixer (163) or the second corner fixer (163).
[0067] The pulley (17) can be inserted into the pulley shaft (163b). The pulley (17) can rotate on the pulley shaft (163b). The pulley (17) can be referred to as the upper pulley (17). For example, a lubricant for noise prevention can be applied between the pulley shaft (163b) and the pulley (17). As another example, the pulley (17) can be formed of a synthetic resin having low friction resistance, and the pulley shaft (163b) can be made of metal to prevent noise and make the rotation of the pulley (17) smooth. A belt (32) can be wound around the pulley (17).
[0068] The pulley (17) may include a wheel (17a) and a belt gear (17b). The wheel (17a) may be formed in a ring or rim shape. The pulley shaft (163b) is inserted into the wheel (17a), and the wheel (17a) may rotate on the pulley shaft (163b). The belt gear (17b) may form the outer surface of the wheel (17a). A fixing washer (17c) may be attached to the pulley shaft (163b) adjacent to the end of the pulley shaft (163b). For example, the fixing washer (17c) may be an E-ring. The fixing washer (17c) may prevent the pulley (17) from coming off the pulley shaft (163b). The first pulley (17) or the left pulley (17) may be located on the first corner fixer (163) or the left corner fixer (163), and the second pulley (17, see FIG. 5) or the right pulley (17, see FIG. 5) may be located on the second corner fixer (163) or the right corner fixer (163).
[0069]
[0070] Referring to FIG. 12, the housing frame (71) may include a front part (712), a rear part (711), an inner rib (714), a bar support (715), and a top part (716). The front part (712) may face the rear part (711). The rear part (711) may be opposite the front part (712). The inner rib (714) may connect the front part (712) and the rear part (711) between the front part (712) and the rear part (711). A gap or space may be formed between the front part (712) and the rear part (711) by the inner rib (714).
[0071] The bar supporter (715) may include a back supporter (715a), a bottom supporter (715b), and a front supporter (715c). For example, the bar supporter (715) may be L-shaped overall. The front supporter (715c) may be located opposite the back supporter (715a) with respect to the bottom supporter (715b). The front supporter (715c) and / or the back supporter (715a) may form a wall with respect to the bottom supporter (715b). The height of the back supporter (715a) may be greater than the height of the front supporter (715c). The top part (716) may be connected to the back supporter (715a).
[0072] The mount part (712a) may be formed by the front part (712) which is exposed as the rear part (711) is cut. The rear of the front part (712) may be exposed as the rear part (711) and / or the inner rib (714) is cut. Bosses (B) may be fixed to the mount part (712a).
[0073] Accordingly, the torsional and / or bending stiffness of the housing frame (71) can be increased.
[0074]
[0075] Referring to FIGS. 13 and 14, the sunshade (45) can cover the front part (712) of the housing frame (71). The sunshade (45) can be attached to or fixed to the bar (40). The bar (40) can be positioned on the bar supporter (715). When the bar (40) is positioned on the bar supporter (715), the bar (40) can be positioned at the bottom dead center.
[0076] The display (10) may be positioned opposite the housing frame (71) with respect to the light shield (45). The display (10) may face the front part (712) of the light shield (45) and / or the housing frame (71). The bar (40) may be positioned adjacent to the rear of the display (10).
[0077] The belt (32) may be attached to or fixed to one end of the bar (40). Fixer assemblies (43, 44) may fix the belt (32) to one end of the bar (40). Fixer assemblies (43, 44) may include a fixer bracket (44) and a belt fixer (43). The fixer bracket (44) may be fixed to one end of the bar (40). The belt (32) may be positioned between the fixer bracket (44) and the belt fixer (43). The belt fixer (43) may fix the belt (32) to the fixer bracket (44).
[0078] The middle frame (100) may be another embodiment of the aforementioned frame fixer (16, see FIG. 11). For example, the middle frame (100) may be formed integrally with the aforementioned side frame (20, see FIG. 11) and the frame fixer (16, see FIG. 11). As another example, the middle frame (100) may be another embodiment of the aforementioned side frame (20, see FIG. 11).
[0079] The middle frame (100) may include an outer part (110) and an inner part (120). The outer part (110) may be a U-beam shape that accommodates a belt (32c) and extends long. The outer part (110) may include a first part (111), a second part (112), and a third part (113). The first part (111) may be an extended plate. The first part (111) may form the outer surface of the middle frame (100). The second part (112) may extend perpendicularly to the first part (111) and may be connected to the third part (113). The third part (113) may face the first part (111) and be connected to the second part (112). The inner guide rib (114) may protrude from the third part (113) to face the first part (111) and may be spaced apart from the first part (111). The belt (32c) may be located in the space formed by the first part (111), the second part (112), and / or the third part (113). The belt (32c) may be referred to as the outer belt (32c).
[0080] The inner part (120) may be in the shape of a U-beam that extends long and accommodates the belt (32b). The inner part (120) may include a first part (121), a second part (122), and a third part (123). The first part (121) extends from the second part (112) of the outer part (110) and may form a plate together with the second part (112) of the outer part (110). The second part (122) extends perpendicularly to the first part (121) and may form a plate identical to the third part (113) of the outer part (110). The second part (122) may be formed integrally with the third part (113) of the outer part (110). The third part (123) extends vertically from the second part (122) and may face the first part (121). The belt (32b) may be located in the space formed by the first part (121), the second part (122), and / or the third part (123). The belt (32b) may be referred to as an inner belt (32b).
[0081] The belt (32c) located in the outer part (110) may be positioned opposite the belt (32b) located in the inner part (120) with respect to the third part (113) of the outer part (110) and / or the second part (122) of the inner part (120). The fixer bracket (44) may be inserted into the inner part (120). The fixer bracket (44) may be positioned between the first part (121) and the third part (123) of the inner part (120).
[0082] The first connecting rib (115) may be formed on the inner surface of the first part (111) of the outer part (110). The second connecting rib (124) may be formed on the outer surface of the third part (123) of the inner part (120). The second connecting rib (124) may face the first connecting rib (115).
[0083]
[0084] Referring to FIGS. 15 through 17, the fixer assembly (43, 44) may include a fixer bracket (44) and a belt fixer (43). The fixer bracket (44) may include a bracket base (440), a first sidewall (441), a second sidewall (444), and a third sidewall (443). The first sidewall (441) may form a wall with respect to the bracket base (440). The second sidewall (444) may face the first sidewall (441) and form a wall with respect to the bracket base (440). The second sidewall (444) may be located opposite the first sidewall (441) with respect to the bracket base (440). The third sidewall (443) may face the first sidewall (441) and form a wall with respect to the bracket base (440). The third sidewall (443) may be located opposite the first sidewall (441) with respect to the bracket base (440). The third sidewall (443) may be spaced apart from the second sidewall (444). An opening may be formed between the second sidewall (444) and the third sidewall (443).
[0085] The first support rib (442) may be formed on the outer surface of the first side wall (441). The first support rib (442) may protrude or rise from the first side wall (441). The first support rib (442) may form a high step from the outer surface of the first side wall (441). The first support rib (442) may be located adjacent to one end of the first side wall (441). The second support rib (445) may be formed on the outer surface of the second side wall (444). The second support rib (445) may protrude or rise from the second side wall (444). The second support rib (445) may form a high step from the outer surface of the second side wall (444). The second support rib (445) may be located adjacent to the other end of the second side wall (444). The second support rib (445) may be located diagonally opposite the first support rib (442) with respect to the bracket base (440).
[0086] A receiving portion (446) may be formed on the second sidewall (444) adjacent to the second support rib (445). The receiving portion (446) may form a step lower than the outer surface of the second sidewall (444). The receiving portion (446) may be formed by the outer surface of the second sidewall (444) being recessed inward. For example, the receiving portion (446) may receive a lubricant.
[0087] The belt fixer (43) may include a first piece (431), a second piece (432), and a third piece (433). The first piece (431) may be inserted between the first sidewall (441) and the third sidewall (443). The second piece (432) may be inserted between the first sidewall (441) and the second sidewall (444). The third piece (433) may be inserted between the opening between the second sidewall (444) and the third sidewall (443) and the first sidewall (441). The first piece (431), the second piece (432), and / or the third piece (433) may be formed integrally. A fastening hole (h) may be formed through the third piece (433). The fastening hole (h) may be aligned with the base hole (h).
[0088] An insert tip (449) may protrude from the outer surface of the bracket base (440). The insert tip (449) may have a rib shape. An alignment tip (447, 448) may protrude from the outer surface of the bracket base (440). There may be multiple alignment tips (447, 448). An insert tip (449) may be positioned between multiple alignment tips (447, 448).
[0089]
[0090] Referring to FIGS. 18 and 19, the fixer assembly (43, 44) can be inserted between the first part (121) and the third part (123) of the inner part (120) of the middle frame (100). The bracket base (440) of the fixer bracket (44) can be fixed to one end of the bar (40). The insert tip (449, see FIG. 17) and alignment tip (447, 448, see FIG. 17) of the bracket base (440) can be inserted into one end surface of the bar (40).
[0091] The first sidewall (441) of the fixer bracket (44) can be supported on the third part (123) of the inner part (120) of the middle frame (100). The first support rib (442) formed on the first sidewall (441) of the fixer bracket (44) can contact the third part (123) of the inner part (120) or slide on the third part (123) of the inner part (120).
[0092] The second sidewall (444) of the fixer bracket (44) can be supported on the first part (121) of the inner part (120) of the middle frame (100). The second support rib (445) formed on the second sidewall (444) of the fixer bracket (44) can contact the first part (121) of the inner part (120) or slide on the first part (121) of the inner part (120).
[0093] The first sidewall (441) and / or the second sidewall (444) may be supported or spaced apart from the second part (122) of the inner part (120) of the middle frame (100). The first sidewall (441) and / or the third sidewall (443) may be supported or spaced apart from the second part (122) of the inner part (120) of the middle frame (100). A gap may be formed between the sidewalls (441, 443, 444) and the second part (122) of the inner part (120) of the middle frame (100). A lubricant may be applied between the fixer bracket (44) and the inner part (120) of the middle frame (100).
[0094] The frame cover (130) can be attached to the first connecting rib (115) of the outer part (110) and / or the second connecting rib (124) of the inner part (120). The frame cover (130) can form one side of the middle frame (100).
[0095] Accordingly, the levels of both ends of the bar (40) can be kept horizontal, and noise and / or vibration that may occur between the bar (40) and the middle frame (100) can be improved.
[0096]
[0097] Referring to FIG. 20, the middle frame (100) can be coupled to the base frame (25). The roller bracket (24) can be coupled to the base frame (25) and / or the middle frame (100). The roller bracket (24) may include roller mounts (24d). There may be multiple roller mounts (24d). For example, a main roller mount (24d1) and a sub-roller mount (24d2) may be formed on the roller bracket (24). The sub-roller mount (24d2) may be adjacent to the main roller mount (24d1). The sub-roller mount (24d2) may be located between the main roller mount (24d1) and the housing frame (71).
[0098] The main roller (72) can be rotatably coupled to the main roller mount (24d1). The sunshade (45) can be wound around the main roller (72). The sunshade (45) wound around the main roller (72) can be unwound from the main roller (72) or wound around the main roller (72). The sub-roller (73) can support the sunshade (45). As the sunshade (45) is unwound from the main roller (72), it can be moved toward the front of the housing frame (71) by the sub-roller (73).
[0099]
[0100] Referring to FIGS. 21 and 22, both ends of the belt (32) may be connected to each other by fixer assemblies (43, 44). Fixer assemblies (43, 44) may secure the belt (32) to one end of a bar (40, see FIG. 18). The belt (32) may be wound around a drive pulley (31). For example, the belt (32) may be a timing belt. The inner gear of the belt (32) may mesh with the gear on the outer surface of the drive pulley (31). The outer surface of the belt (32) may be a smooth surface. A sub-pulley (33) may support the outer surface of the belt (32). The rotation axis (33a) of the sub-pulley (33) may be parallel to the rotation axis (31a) of the drive pulley (31). For example, the line connecting the center of rotation of the surf pulley (33) and the center of rotation of the drive pulley (31) may be parallel to the vertical direction of the belt (32). The diameter of the drive pulley (31) may be larger than the diameter of the pulley (33b) of the sub pulley (33). Between the sub pulley (33) and the drive pulley (31), the belt (32) may form an incline with respect to the opposing belt (32).
[0101] The pulley (34b) of the tension pulley (34) can be positioned between the sub-pulley (33) and the drive pulley (31). The pulley (34b) of the tension pulley (34) can support the outer surface of the belt (32). The pulley (34b) of the tension pulley (34) can push the outer surface of the belt (32). The tension of the belt (32) can be automatically adjusted by the force with which the pulley (34b) of the tension pulley (34) pushes the outer surface of the belt (32). Accordingly, the tension of the belt (32) can be maintained at a constant level.
[0102]
[0103] Referring to FIG. 23, the pulley block (80) can be coupled to the rear of the housing frame (71). The pulley block (80) can be fixed to the rear of the housing frame (71). The pulley block (80) can be fixed to the mount part (712a, see FIG. 20) of the housing frame (71).
[0104] The rotation axis (31a) of the drive pulley (31, see FIG. 21) may be exposed at the rear of the pulley block (80) fixed to the mount part (712a, see FIG. 20) of the housing frame (71). An E-ring (e) may be coupled to the rotation axis (31a) of the drive pulley (31). A power hole (h) may be formed on the rotation axis (31a) of the drive pulley (31).
[0105]
[0106] Referring to FIG. 24, the gearbox (62) is located adjacent to the motor (61) and can be coupled with the motor (61). The motor bracket (60) can be fixed to the gearbox (62). The motor (61) is located on the motor bracket (60) and can be fixed to the motor bracket (60). The motor (61) can be connected to the gearbox (62). The rotation counter (63) is fixed to one end of the motor shaft (61a) and can rotate together with the motor shaft (61a). The gearbox (62) can be connected to the other end of the motor shaft (61a). The gearbox (62) can provide the rotational force provided by the motor (61) to the rotation axis (31a, FIG. 23) of the drive pulley (31, FIG. 23).
[0107] The gear box (62) may be in the shape of a rectangular box with one side open. A box cover (62b) may cover the opening on one side of the gear box (62). The box cover (62b) may be fixed to the opening of the gear box (62).
[0108]
[0109] Referring to FIG. 25, when rotational force is provided from the motor (61), the drive pulley (31, see FIG. 21) can rotate through the gearbox (62). When the drive pulley (31) rotates, the belt (32, see FIG. 21) moves, and the bar (40), which is fixed to the belt (32, see FIG. 18) by the fixer assembly (43, 44, see FIG. 21), can move up and down along the middle frame (100).
[0110] When the bar (40) moves upward on the middle frame (100), the sunshade (45, see FIG. 18) fixed to the bar (40) can move together with the bar (40). When the bar (40) moves, the sunshade (45, see FIG. 20) wound on the main roller (72) is unwound, and the sunshade (45, see FIG. 20) can move upward on the middle frame (100).
[0111] When the bar (40) moves downward on the middle frame (100), the main roller (72) can wind the sunshade (45, see FIG. 20). As the sunshade (45) is wound onto the main roller (72), the sunshade (45, see FIG. 20) can move downward on the middle frame (100).
[0112]
[0113] Referring to FIG. 26, the display device (1) may include a middle frame (100), a rear frame (2a, 2b), a top roof (2c), a housing (90), and a bottom base (90B). The bottom base (90B) is located at the bottom of the display device (1) and may form the bottom of the display device (1). The housing (90) may be located on the bottom base (90B). The middle frame (100) may be coupled to or fixed to the bottom base (90B). The top roof (2c) may be coupled to or fixed to the top of the middle frame (100).
[0114] The first rear frame (2a) is positioned parallel to the middle frame (100) and can be coupled to the top roof (2c) and the housing (90). The second rear frame (2b) is positioned parallel to the middle frame (100) and can be coupled to the top roof (2c) and the housing (90).
[0115] The housing (90) may be a rectangular box that extends along the second long side (LS2, see FIG. 1) of the display (10). The housing (90) may include a top plate (91), a back plate (92), and side plates (93b).
[0116]
[0117] Referring to FIGS. 1 to 26, the display device comprises: a display panel that displays an image and is transparent; a transparent panel facing the display panel; a middle frame extending along the side of the display panel; a belt embedded in the middle frame and moving along the length direction of the middle frame; a bar extending in a direction intersecting the middle frame and having one end fixed to the belt; a rotatable roller adjacent to the lower edge connected to the side of the display panel and extending along the lower edge of the display panel; a light shield layer having one end fixed to the bar and the other end coupled to the roller, which is wound or unwound from the roller when the bar moves; an upper pulley located on the upper side of the middle frame and having the inner surface of the belt wound thereon; and a driving pulley adjacent to the lower side of the middle frame, which rotates about the thickness direction of the light shield layer as an axis and has the inner surface of the belt wound thereon, wherein the belt comprises: an inner belt to which one end of the bar is fixed; And, the middle frame may include an outer belt located opposite the bar with respect to the inner belt, and the middle frame may include: an inner part that accommodates the inner belt and on which one end of the bar moves; and an outer part located opposite the bar with respect to the inner part and accommodating the outer belt.
[0118] The inner part of the middle frame is open toward the bar, and the outer part of the middle frame can be opened toward the middle frame in the opposite direction of the display panel.
[0119] The above display device further comprises: a fixer assembly for fixing the belt to one end of the bar, and the fixer assembly comprises: a fixer bracket fixed to one end of the bar; and a belt fixer located opposite the fixer bracket with respect to the belt and may include a belt fixer on the fixer bracket.
[0120] The above fixer bracket comprises: a bracket base fixed to one end of the bar; a first side wall forming a wall against the bracket base; and a second side wall facing the first side wall and forming a wall against the bracket base, wherein the inner belt is positioned between the first side wall and the second side wall, and the belt fixer is inserted between the first side wall and the second side wall to bring the inner belt into contact with the bracket base.
[0121] The above fixer bracket includes: a first support rib protruding from the outer surface of the first side wall; and a second support rib protruding from the outer surface of the second side wall, wherein the first support rib may be positioned diagonally to the second support rib with respect to the bracket base.
[0122] The above fixer bracket includes a receiving portion adjacent to the second support rib and recessed into the inner side of the second side wall, and at least one of the first support rib or the second support rib can contact the inner part of the middle frame.
[0123] The inner part of the middle frame comprises: a first part facing the second sidewall of the fixer bracket; a second part connected to the first part and facing the belt fixer; and a third part connected to the second part and facing the first sidewall, wherein the first part supports the second support rib of the second sidewall, and the third part supports the first support rib of the first sidewall.
[0124] A gap may be formed between at least one of the first sidewall or the second sidewall and the second part of the inner part of the middle frame.
[0125] The display device further comprises: a housing frame coupled to the middle frame; and a pulley assembly having the drive pulley, wherein the housing frame comprises: a front part facing the light shield; a rear part facing the front part and spaced apart from the front part; and an inner rib connecting the front part and the rear part, and the pulley assembly may be coupled to either the front part or the rear part.
[0126] The pulley assembly may include: a pulley block fixed to either the front part or the rear part and having the drive pulley rotatably mounted thereon; a sub-pulley rotatably coupled to the pulley block and pushing the inner belt; and a tension pulley rotatably coupled to the pulley block and positioned between the sub-pulley and the drive pulley to push the inner belt and adjust the tension of the belt.
[0127] The above display device may include: a motor that provides rotational power; and a gearbox that transmits the rotational power provided from the motor to the drive pulley.
[0128] The roller may include: a main roller on which the shading film is wound or unwound; and a sub-roller adjacent to the main roller between the main roller and the transparent panel, which supports the shading film.
[0129] The above display device includes a roller bracket to which the main roller and the sub-roller are rotatably coupled, and the roller bracket can be coupled to the middle frame.
[0130] The above middle frame may further include a frame cover that covers the outer belt and is coupled to the open outer part.
[0131]
[0132] Some or other embodiments of the present disclosure described above are not exclusive or distinct from one another. Some or other embodiments of the present disclosure described above may be used in combination or combined for their respective configurations or functions.
[0133] For example, this means that configuration A described in a specific embodiment and / or drawing and configuration B described in another embodiment and / or drawing can be combined. That is, even if the combination between configurations is not directly described, it means that combination is possible, except in cases where it is described that combination is impossible.
[0134] The foregoing detailed description should not be interpreted restrictively in all respects and should be considered exemplary. The scope of the invention shall be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the invention are included within the scope of the invention.
Claims
1. A display panel that displays an image and is transparent; A transparent panel facing the above-mentioned display panel; A middle frame extending along the side of the above-mentioned display panel; A belt embedded in the middle frame and moving along the longitudinal direction of the middle frame; It is extended in a direction intersecting the middle frame, and one end is fixed to the belt; A rotatable roller adjacent to the lower edge connected to the side edge of the display panel, extending long along the lower edge of the display panel; One end is fixed to the above bar and the other end is connected to the above roller, so that when the above bar moves, a light shield layer is wound or unwound from the roller; An upper pulley located on the upper side of the middle frame and around which the inner surface of the belt is wound; and, It includes a drive pulley adjacent to the lower side of the middle frame, which rotates about the thickness direction of the shading film as an axis, and on which the inner surface of the belt is wound. The above belt is: An inner belt to which one end of the above bar is fixed; and, It includes an outer belt located opposite the bar with respect to the inner belt, and The above middle frame is: An inner part that accommodates the inner belt and allows one end of the bar to move; and, A display device comprising an outer part positioned opposite to the bar with respect to the inner part and accommodating the outer belt.
2. In Paragraph 1, The inner part of the above middle frame is, Open toward the above bar, The outer part of the above middle frame is, A display device that opens in the opposite direction of the display panel with respect to the middle frame.
3. In Paragraph 1, The above display device is: It further includes a fixer assembly for securing the belt to one end of the bar, and The above fixer assembly is: A fixer bracket fixed to one end of the above bar; A display device positioned opposite the fixer bracket with respect to the belt, and including a belt fixer on the fixer bracket.
4. In Paragraph 3, The above fixer bracket is: A bracket base fixed to one end of the above bar; A first side wall forming a wall with respect to the above bracket base; It includes a second side wall facing the first side wall and forming a wall with respect to the bracket base, The inner belt mentioned above is, Located between the first sidewall and the second sidewall, The above belt fixer is, A display device inserted between the first sidewall and the second sidewall to bring the inner belt into contact with the bracket base.
5. In Paragraph 4, The above fixer bracket is: A first support rib protruding from the outer surface of the first sidewall; and, It includes a second support rib protruding from the outer surface of the second sidewall, and The above-mentioned first support rib is, A display device positioned diagonally opposite to the second support rib with respect to the bracket base.
6. In Paragraph 5, The above fixer bracket is: It includes a receiving portion adjacent to the second support rib and recessed into the inner side of the second sidewall, At least one of the first support rib or the second support rib is A display device in contact with the inner part of the middle frame.
7. In Paragraph 6, The inner part of the above middle frame is: A first part facing the second sidewall of the above-mentioned fixer bracket; A second part connected to the first part and facing the belt fixer; and, It includes a third part connected to the second part and facing the first sidewall, The above first part is, Supporting the second support rib of the second sidewall, The above third part is, A display device that supports the first support rib of the first sidewall.
8. In Paragraph 7, A display device having a gap formed between at least one of the first sidewall or the second sidewall and the second part of the inner part of the middle frame.
9. In Paragraph 2, The above display device is: A housing frame coupled to the above middle frame; and, A pulley assembly further comprising the above-mentioned drive pulley, and The above housing frame is: Front part facing the above-mentioned sunshade; A rear part facing the front part and spaced apart from the front part; and, It includes an inner rib connecting the front part and the rear part, and The above pulley assembly is, A display device coupled to either the front part or the rear part.
10. In Paragraph 9, The above pulley assembly is: A pulley block fixed to either the front part or the rear part, on which the drive pulley is rotatably mounted; A sub-pulley rotatably coupled to the pulley block and pushing the inner belt; and, A display device comprising a tension pulley rotatably coupled to the pulley block and positioned between the sub-pulley and the drive pulley to push the inner belt and adjust the tension of the belt.
11. In Paragraph 1, The above display device is: A motor that provides rotational power; and, A display device comprising a gearbox that transmits rotational power provided from the motor to the drive pulley.
12. In Paragraph 1, The above roller is: A main roller on which the above-mentioned sunshade is wound or unwound; and, A display device comprising a sub-roller adjacent to the main roller and supporting the light-shielding film between the main roller and the transparent panel.
13. In Paragraph 12, The above display device is: It includes a roller bracket to which the main roller and the sub-roller are rotatably coupled, The above roller bracket is, A display device coupled to the above middle frame.
14. In Paragraph 2, The above middle frame is: A display device further comprising a frame cover that covers the outer belt and is coupled to the open outer part.