WO2022102799A1 - 디스플레이 디바이스 - Google Patents
디스플레이 디바이스 Download PDFInfo
- Publication number
- WO2022102799A1 WO2022102799A1 PCT/KR2020/015704 KR2020015704W WO2022102799A1 WO 2022102799 A1 WO2022102799 A1 WO 2022102799A1 KR 2020015704 W KR2020015704 W KR 2020015704W WO 2022102799 A1 WO2022102799 A1 WO 2022102799A1
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- WO
- WIPO (PCT)
- Prior art keywords
- frame
- rack
- display device
- cover
- display panel
- Prior art date
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Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
- G09F9/335—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
- F16M11/425—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Definitions
- the present disclosure relates to a display device.
- the LCD panel includes a TFT substrate and a color substrate that face each other with a liquid crystal layer interposed therebetween, and can display an image using light provided from a backlight unit.
- the OLED panel can display an image by depositing an organic material layer capable of emitting light by itself on the substrate on which the transparent electrode is formed.
- the present disclosure aims to solve the above and other problems.
- Another object may be to provide a display device capable of covering or opening the front surface of the display panel.
- Another object may be to provide a display device capable of minimizing the gap between the display panel and the cover.
- Another object may be to provide a mechanism capable of stably raising or lowering a cover covering the front surface of the display panel.
- Another object may be to provide a structure that can prevent the cover from flowing back and forth and/or left and right while the cover is raised or lowered.
- the display panel a frame on which the display panel is installed; a cover assembly having a cover positioned in front of the display panel and movably coupled to the frame; and a lift assembly installed on the frame and configured to move the cover assembly
- the lift assembly includes: a motor providing a rotational force; a pinion connected to the rotation shaft of the motor; and a rack engaged with the pinion and extending in a movement direction of the cover assembly, wherein the cover assembly provides a display device including: a bracket coupled to the rack at the rear of the display panel.
- a display device capable of covering or opening the front surface of the display panel.
- a mechanism for stably raising or lowering the cover covering the front surface of the display panel may be provided.
- a structure capable of preventing the cover from flowing back and forth and/or left and right while the cover is raised or lowered may be provided.
- 1 to 25 are diagrams illustrating examples of display devices according to embodiments of the present disclosure.
- the display device 100 may include a display panel 11 .
- the display panel 11 may display an image.
- the display device 100 includes a first long side (LS1), a second long side (LS2) opposite to the first long side (LS1), a first long side (LS1), and a second long side (LS2) It may include a first short side (First Short Side, SS1) adjacent to and a second short side (Second Short Side, SS2) opposite to the first short side (SS1).
- first short side First Short Side, SS1
- second short side Second Short Side, SS2
- the lengths of the first and second long sides LS1 and LS2 are illustrated and described as being longer than the lengths of the first and second short sides SS1 and SS2, but the first and second long sides
- a case in which the lengths of (LS1, LS2) are approximately equal to the lengths of the first and second short sides (SS1, SS2) may also be possible.
- a direction parallel to the long sides LS1 and LS2 of the display device 100 may be referred to as a first direction DR1 or a left-right direction LR.
- a direction parallel to the short sides SS1 and SS2 of the display device 1 may be referred to as a second direction DR2 or a vertical direction UD.
- a direction perpendicular to the long sides LS1 and LS2 and the short sides SS1 and SS2 of the display device 1 may be referred to as a third direction DR3 or a front-back direction FR.
- a direction in which the display panel 11 displays an image may be referred to as a front direction, and a direction opposite to this may be referred to as a rear direction.
- the side of the first long side LS1 may be referred to as an upper side or an upper surface.
- the second long side LS2 may be referred to as the lower side or the lower surface.
- the side of the first short side SS1 may be referred to as a left side or a seating surface.
- the second short side SS2 side may be referred to as a right side or a right side.
- the first long side LS1 , the second long side LS2 , the first short side SS1 , and the second short side SS2 may be referred to as edges of the display device 100 . Also, a point where the first long side LS1 , the second long side LS2 , the first short side SS1 , and the second short side SS2 meet each other may be referred to as a corner.
- a point where the first long side LS1 and the first short side SS1 meet may be referred to as a first corner C1.
- a point where the first short side SS1 and the second long side LS2 meet may be referred to as a second corner C2.
- a point where the second long side LS2 and the second short side SS2 meet may be referred to as a third corner C3.
- a point where the second short side SS2 and the first long side LS1 meet may be referred to as a fourth corner C4.
- the display panel 11 may be an OLED panel.
- the display panel 11 may divide an image into a plurality of pixels and output an image by matching color, brightness, and saturation for each pixel.
- the display panel 11 may be divided into an active area in which an image is displayed and a de-active area in which an image is not displayed.
- the display panel 11 may generate light corresponding to a color of red, green, or blue according to a control signal.
- the display panel 11 may be provided with various panels such as LCD.
- the cover 20 may move vertically from the front of the display panel 11 .
- the cover 20 may cover at least a portion of the front surface of the display panel 11 while moving upward.
- the cover 20 may expose the front surface of the display panel 11 to the outside while going down.
- the cover 20 may cover at least a portion of the front surface of the display panel 11 while going down. As the cover 20 moves upward, the front surface of the display panel 11 may be exposed to the outside.
- the cover 20 may include a metal or fabric material.
- the display device 100 may include a frame 110 .
- the frame 110 may form a skeleton of the display device 100 .
- the frame 110 may include an outer frame 111 , a guide frame 112 , an upper frame 113 , a middle frame 114 , inner frames 115 and 116 , and a lower frame 117 .
- the outer frame 111 forms a periphery of the frame 110 and may be formed in the shape of a rectangular frame as a whole.
- the outer frame 111 includes the first outer frame 111a forming the upper end of the outer frame 111 , the second outer frame 111b forming the lower end of the outer frame 111 , and the left end of the outer frame 111 . It may include a third outer frame 111c to form, and a fourth outer frame 111d to form a right end of the outer frame 111 .
- the guide frame 112 is positioned between the first outer frame 111a and the lower frame 117 and may extend long in the vertical direction.
- the guide frame 112 may include a first guide frame 112a adjacent to the third outer frame 111c and a second guide frame 112b adjacent to the fourth outer frame 111d.
- the first guide frame 112a may be spaced apart from the third outer frame 111c to the right by a first interval ga.
- the second guide frame 112b may be spaced apart from the fourth outer frame 111d to the left by a second interval gb.
- the second interval gb may be the same as the first interval ga.
- the upper frame 113 is positioned between the first guide frame 112a and the second guide frame 112b, and may extend long in the left and right directions.
- the upper frame 113 may be coupled to the first guide frame 112a and the second guide frame 112b.
- the middle frame 114 is positioned between the first outer frame 111a and the lower frame 117 and may extend long in the vertical direction.
- the middle frame 114 may include a first middle frame 114a and a second middle frame 114b coupled to the first outer frame 111a and the lower frame 117 and spaced apart from each other in the left and right directions.
- the inner frames 115 and 116 are positioned between the upper frame 113 and the lower frame 117 and may extend long in the left and right directions.
- the inner frames 115 and 116 are positioned between the first guide frame 112a and the first middle frame 114a, are coupled to the first guide frame 112a and the first middle frame 114a, and are vertically aligned with each other.
- a pair of spaced apart first inner frames 115a and 115b may be included.
- the inner frames 115 and 116 are positioned between the second guide frame 112b and the second middle frame 114b, are coupled to the second guide frame 112b and the second middle frame 114b, and are vertically aligned with each other.
- a pair of spaced apart second inner frames 116a and 116b may be included.
- the lower frame 117 may be positioned below the upper frame 113 .
- the lower frame 117 is positioned between the third outer frame 111c and the fourth outer frame 111d and may extend long in the left and right directions.
- the lower frame 117 may be coupled to the third outer frame 111c and the fourth outer frame 111d.
- the display device 100 may include a cover assembly 120 .
- the cover assembly 120 may include a cover frame 121 and a bracket 122 .
- the cover frame 121 forms a periphery of the cover assembly 120 and may be formed in the shape of a rectangular frame as a whole.
- the first frame 121a of the cover frame 121 may extend in the left and right directions, and may form an upper end of the cover frame 121 .
- the second frame 121b of the cover frame 121 extends in the left and right directions, and may form a lower end of the cover frame 121 .
- the third frame 121c of the cover frame 121 extends in the vertical direction and may form a left end of the cover frame 121 .
- the fourth frame 121d of the cover frame 121 extends in the vertical direction and may form a right end of the cover frame 121 .
- the bracket 122 is positioned between the upper end and the lower end of the cover frame 121 , and may be coupled to the rear surface of the cover frame 121 .
- the bracket 122 may be adjacent to the upper end of the cover frame 121 , that is, the first frame 121a.
- the bracket 122 may include a first part 1221 , a second part 1222 , and a third part 1223 .
- the first part 1221 forms the front surface of the bracket 122 and may be fixed to the rear surface of the cover frame 121 .
- the second part 1222 may be bent backward from the first part 1221 to form a side surface of the bracket 122 .
- the third part 1223 may be bent left or right from the second part 1222 to face the first part 1221 .
- the third part 1223 may be rearwardly spaced apart from the first part 1221 by a first length d1 .
- the bracket 122 may include a first bracket 122a coupled to the rear surface of the third frame 121c and a second bracket 122b coupled to the rear surface of the fourth frame 121d. .
- a lower hole 123 may be formed while passing through the second frame 121b in the front and rear directions.
- the shape of the lower hole 123 may be a shape in which holes having different radii are combined. That is, the lower hole 123 may be divided into a first hole 1231 having a first radius r1 and a second hole 1232 having a second radius r2 .
- the second radius r2 is smaller than the first radius r1
- the second hole 1232 may be merged with the first hole 1231 under the first hole 1231 .
- the lower hole 123 may include a first lower hole 123a, a second lower hole 123b, and a third lower hole 123c spaced apart from each other in the left and right directions.
- the side hole 124 may be formed while penetrating the third frame 121c and/or the fourth frame 121d in the front-rear direction.
- the shape of the side hole 124 may be a shape in which holes having different radii are combined. That is, the side hole 124 may be divided into a third hole 1241 having a third radius r3 and a fourth hole 1242 having a fourth radius r4 .
- the fourth radius r4 is smaller than the third radius r3
- the fourth hole 1242 may be merged with the third hole 1241 under the third hole 1241 .
- the side hole 124 may include a first side hole 124a formed in the third frame 121c and a second side hole 124b formed in the fourth frame 121d.
- first bracket 122a and the second bracket 122b may have an upper end having a first height ha and a lower end having a second height hb with respect to the lower end of the second frame 121b.
- the height of the first side hole 124a and the second side hole 124b with respect to the lower end of the second frame 121b may be smaller than the second height hb.
- the holder 125 may include a body 1251 coupled to the rear surface of the first frame 121a.
- the body 1251 may be formed of a flat plate as a whole.
- the upper hole 1251a may be formed while passing through the body 1251 in the front-rear direction.
- the shape of the upper hole 1251a may be a combination of a circular hole having a fifth radius r5 and a slit.
- the slit may be formed to be elongated in the vertical direction at the upper and lower sides of the hole.
- the holder 125 may be referred to as a latch.
- the first gap 1251b is spaced apart from the upper hole 1251a to the left, and may be formed in an arc shape having a sixth radius r6.
- a portion 1252 of the body 1251 is located between the upper hole 1251a and the first gap 1251b, has elasticity, and is formed as a first gimbal or a first rib.
- the second gap 1251c is spaced apart from the upper hole 1251a to the right, and may be formed in an arc shape having a sixth radius r6.
- a part 1253 of the body 1251 is located between the upper hole 1251a and the second gap 1251c, has elasticity, and is formed as a second gimbal or a second rib.
- the fastening part including the above-described upper hole 1251a , the first gap 1251b , and the second gap 1251c may be provided as a pair of fastening parts spaced apart from each other in the left and right directions.
- the boss 1254 may protrude rearward from the rear surface of the body 1251 of the holder 125 and be inserted into the boss hole 121a-1 formed in the first frame 121a.
- the fastening member Sr such as a screw, may pass through the body 1251 of the holder 125 and be fastened to the fastening hole 121a-2 formed in the first frame 121a.
- the holder 125 may be detachably coupled to the first frame 121a.
- the holder 125 may include a first holder 125a, a second holder 125b, and a third holder 125c spaced apart from each other in the left and right directions.
- the cover assembly 120 may include a plate 126 having a front surface to which the cover 20 (refer to FIG. 2 ) is coupled.
- the plurality of holes 126a, 126b, 126c, 126d, 126e, and 126f may be formed to pass through the plate 126 in the front-rear direction, and may be spaced apart from each other.
- a lower pin (127, lower pin) may protrude rearward from the rear surface of the plate (126).
- the lower fin 127 may be adjacent to the bottom of the plate 126 .
- the lower pin 127 includes a lower head 1271 having a certain radius r10, and a lower neck 1272 coupled to the lower head 1271 and the plate 126 between the lower head 1271 and the plate 126. may include In this case, the radius of the lower neck 1272 may be smaller than the radius of the lower head 1271 .
- the lower pin 127 may include a first lower pin 127a, a second lower pin 127b, and a third lower pin 127c that are spaced apart from each other in the left and right directions.
- the side pins 128 may protrude rearward from the rear surface of the plate 126 .
- the side fin 128 may be adjacent to the left end or the right end of the plate 126 .
- the side pin 128 is a side head 1281 having a certain radius r20, and a side neck 1282 coupled to the side head 1281 and the plate 126 between the side head 1281 and the plate 126. may include In this case, the radius of the side neck 1282 may be smaller than the radius of the side head 1281 .
- the side fin 128 may include a first side fin 128a adjacent to a left end of the plate 126 and a second side fin 128b adjacent to a right end of the plate 126 .
- the upper pin 129 may be provided as a pair that protrudes backward from the rear surface of the plate 126 and is spaced apart from each other in the left and right directions.
- the upper fin 129 may be adjacent to the top of the plate 126 .
- the upper pin 129 includes an upper head 1291 having a certain radius r30, and an upper neck 1292 coupled to the upper head 1291 and the plate 126 between the upper head 1291 and the plate 126. may include In this case, the radius of the upper neck 1292 may be smaller than the radius of the upper head 1291 .
- the upper fin 129 may include a first upper fin 129a, a second upper fin 129b, and a third upper fin 129c that are spaced apart from each other in the left and right directions.
- the plate 126 may be detachably coupled to the cover frame 121 from the front of the cover frame 121 .
- the radius r10 of the lower head 1271 may be smaller than or equal to the first radius r1 (refer to FIG. 5 ) of the first hole 1231 .
- a radius r10 of the lower head 1271 may be greater than a second radius r2 of the second hole 1232 (refer to FIG. 5 ). That is, the lower head 1271 may be moved downward after passing through the first hole 1231 by a user or the like and span the rear surface of the second frame 121b forming a boundary of the second hole 1232 .
- the lower end of the plate 126 may span the entire surface of the second frame 121b forming the boundary of the second hole 1232 . Accordingly, movement of the lower pin 127 in the front-rear direction may be restricted.
- the radius r20 of the side head 1281 may be smaller than or equal to the third radius r3 (refer to FIG. 5 ) of the third hole 1241 . Also, a radius r20 of the side head 1281 may be greater than a fourth radius r4 (refer to FIG. 5 ) of the fourth hole 1242 . That is, the side head 1281 is moved downward after passing through the third hole 1241 by the user, etc. of the third frame 121c or the fourth frame 121d forming the boundary of the fourth hole 1242 . It can be hung on the back.
- the radius (r30, see FIG. 7) of the upper head 1291 is larger than the fifth radius (r5, see FIG. 5) of the upper hole 1251a, the sixth of the first gap 1251b or the second gap 1251c It may be smaller than the radius r6 (refer to FIG. 5). That is, the upper head 1291 may be spread over the rear surface of the body 1251 after passing through the upper hole 1251a while spreading the first gimbal 1252 and the second gimbal 1253 left and right by a user or the like.
- the above-described coupling of the plate 126 and the cover frame 121 is the coupling of the lower pin 127 and the lower hole 123, the coupling of the side pin 128 and the side hole 124, and the upper in chronological order. It may be formed by a combination of the pin 129 and the upper hole 1251a.
- the combination of the upper pin 129 and the upper hole 1251a is to move the upper head 1291 to the upper hole 1251a in a state in which the plate 126 is tilted forward with respect to the body 1251 of the holder 125 . It can be done by inserting.
- the upper end 1211 of the first frame 121a may protrude forward by a predetermined distance 110 from the first frame 121a.
- the upper end of the plate 126 may be positioned below the upper end 1211 of the first frame 121a by a predetermined interval g10 .
- the end of the cover 20 passes between the upper end of the plate 126 and the upper end 1211 of the first frame 121a, and between the plate 126 and the first frame 121a. can be fixed.
- the upper end 1261 of the plate 126 may protrude rearward from the plate 126 by a predetermined length 120 .
- the upper end of the first frame 121a may be positioned below the upper end 1261 of the plate 126 by a predetermined interval g20 .
- the cover 20 (refer to FIG. 2 ) may be attached to the front surface of the plate 126 .
- an adhesive such as a double-sided tape may be provided between the cover 20 and the plate 126 .
- the display unit 10 may include a display panel 11 and a frame 13 .
- the frame 13 may be coupled to the display panel 11 from the rear of the display panel 11 .
- the frame 13 may have electronic components electrically connected to the display panel 11 mounted thereon.
- the frame 13 may be referred to as a main frame, an inner frame, or a module cover.
- the front surface of the display unit 10 may be spaced rearward from the plate 126 . Accordingly, the cover 20 (refer to FIG. 2 ) coupled to the front surface of the plate 126 may cover at least a portion of the front surface of the display panel 11 .
- the display unit 10 may be installed in a space defined by the first outer frame 111a, the first guide frame 112a, the upper frame 113, and the second guide frame 112b.
- the upper frame 113 may be coupled to the display unit 10 from the lower side of the display unit 10 to support the load of the display unit 10 .
- the total height of the display panel 11 may be h1.
- the cover assembly 120 When the cover assembly 120 is positioned below the display unit 10 , the entire front surface of the display panel 11 may be exposed forward.
- the lift assembly 130 may be installed on the lower frame 117 .
- FIG. 14 is an enlarged view of region M of FIG. 13 .
- the lift assembly 130 may include a first lift assembly 130a positioned on a relatively left side and a second lift assembly 130b positioned on a relatively right side.
- first lift assembly 130a positioned on a relatively left side
- second lift assembly 130b positioned on a relatively right side.
- description will be made based on the second lift assembly 130b, and the description thereof may also be applied to the first lift assembly 130a.
- the lift assembly 130 may include a motor 131 , a gearbox 135 having a plurality of gears embedded therein, a pinion 135e , and a rack 136 .
- the gearbox 135 may be installed on the lower frame 117 .
- the motor 131 may provide rotational force.
- the motor 131 may be an electric motor capable of adjusting a rotation direction and a rotation speed.
- the motor 131 may be installed on the motor mount 132 .
- the motor 131 may be located above the gearbox 135 .
- the rotation shaft 131a of the motor 131 extends in the vertical direction, and a part thereof may be inserted into the gearbox 135 .
- the encoder 134 may be installed on one side of the motor 131 to control the rotation of the motor 131 .
- the gearbox 135 may include a first gear 135a, a second gear 135b, a worm 135c, and a worm wheel 135d.
- the first gear 135a may be fixed to the rotation shaft 131a of the motor 131 and rotate together with the rotation shaft 131a.
- the second gear 135b may be engaged with the first gear 135a and may be fixed to the first shaft 131b.
- the first shaft 131b may be spaced apart from the rotation shaft 131a and extend in the vertical direction.
- the worm 135c may be spaced apart from the second gear 135b and fixed to the first shaft 131b.
- the worm wheel 135d may be engaged with the worm 135c and fixed to the second shaft 131c.
- the second shaft 131c may be spaced apart from the rotation shaft 131a and the first shaft 131b and extend in the left and right directions. Accordingly, the power of the motor 131 is transmitted from the first gear 135a fixed to the rotation shaft 131a to the second shaft 131c via the second gear 135b, the worm 135c, and the worm wheel 135d. can be transmitted.
- the pinion 135e may be fixed to the second shaft 131c and rotate together with the second shaft 131c.
- the rack 136 may be engaged with the pinion 135e and extend long in the vertical direction. That is, when the pinion 135e rotates, the rack 136 may move in the vertical direction.
- the rack 136 may be coupled to the third part 1223 of the bracket 122 .
- a fastening member such as a screw may penetrate the hole 1224 formed in the third part 1223 to be fastened to the rack 136 .
- the cover assembly 120 (refer to FIG. 8 ) including the bracket 122 may move in the vertical direction.
- the cover 20 (refer to FIG. 2) is located in front of the display unit 10, but the lift assembly 130 and the bracket 122 coupled thereto are located at the rear of the display unit 10, so that the display panel ( 11) and the gap between the cover 20 can be minimized.
- the pad 133 may be adjacent to the motor 131 and be fixed to the guide frame 112 .
- the bosses 1121a , 1121b , and 1121c may protrude rearward from the rear surface of the guide frame 112 , and may be coupled to the pad 133 .
- the pad 133 may include a first pad 133a, a second pad 133b, and a third pad 133c spaced apart from each other in the vertical direction.
- the first boss 1121a is inserted into the first pad 133a
- the second boss 1121b is inserted into the second pad 133b
- the third boss 1121c is inserted into the third pad 133c.
- the pad 133 may have a side surface in which a groove is formed.
- the flange 132a may protrude from the side surface of the mount 132 and be inserted into the groove of the pad 133 .
- the pad 133 may be fitted into the bosses 1121a , 1121b , and 1121c of the guide frame 112 and the flange 132a of the mount 132 .
- the pad 133 may include an elastic material such as rubber or silicone.
- the pad 133 may reduce noise or vibration generated during driving of the motor 131 .
- the cover assembly 120 may cover a portion of the front surface of the display panel 11 .
- an area corresponding to the second height h2 from the lower end of the display panel 11 to the upper side of the front surface of the display panel 11 may be covered by the cover assembly 120 .
- a region corresponding to a third height h3 from the top of the display panel 11 to the bottom of the front surface of the display panel 11 may be exposed forward.
- the sum of the second height h2 and the third height h3 is equal to the total height h1 of the display panel 11 .
- FIG. 20 is an enlarged view of area N of FIG. 19 .
- the rack 136 and the bracket 122 coupled thereto may be moved upward along the guide frame 112 .
- the rack 136 and the bracket 122 coupled thereto follow the guide frame 112 . can be moved down.
- the movement distance of the bracket 122 can be adjusted by controlling the rotation of the motor 131 .
- the motor 131 may be a step motor.
- the movement of the bracket 122 may be the same as the movement of the cover assembly 120 including the bracket 122 .
- the rail 118 is installed on the guide frame 112 and may be positioned between the first part 1221 and the third part 1223 of the bracket 122 .
- the rail 118 may extend long in the vertical direction to guide the movement of the bracket 122 .
- the rail 118 may include a first flange 1181 , a web 1182 , and a second flange 1183 .
- the first flange 1181 may form the rear surface of the rail 118
- the second flange 1183 may be fixed to the rear surface of the guide frame 112 while forming the front surface of the rail 118 .
- Web 1182 may be coupled to first flange 1181 and second flange 1183 between first and second flanges 1181 and 1183 .
- the first flange 1181 and the second flange 1183 may have the same width
- the web 1182 may have a width smaller than the width of the first flange 1181 .
- the rail 118 may be formed in an overall H-beam or I-beam shape.
- the guide 1224 is fixed to the front surface of the third part 1223 , and is coupled to the rail 118 to slide along the rail 118 .
- the guide 1224 surrounds the first flange 1181 at the front of the rail 118 , and may have an end adjacent to the web 1182 . That is, the guide 1224 may move vertically along the rail 118 while being coupled to the first flange 1181 .
- the protective materials 1225 and 1226 are disposed on the first flange 1181 and the guide 1224, the rail 118 and / or the guide 1224 according to the movement of the guide 1224 with respect to the rail 118. damage can be prevented.
- materials of the protective materials 1225 and 1226 may be different from those of the rail 118 and the guide 1224 .
- the pinion 135e may engage the rack 136 at the front of the rack 136 .
- the body (unsigned) of the rack 136 is formed with a gear engaged with the pinion 135e, and may include a depression 1362 that is formed while being depressed toward the pinion 135e from the body.
- the supporter 137 may be inserted into the depression 1362 .
- the supporter 137 may be formed of a material different from that of the body.
- the body may include a plastic material, and the supporter 137 may include a metal material such as aluminum (Al). Accordingly, the supporter 137 may improve torsional rigidity and/or bending rigidity of the rack 136 .
- the base 138 may be fixed to the side of the gearbox 135 .
- Pulleys (138a, 138b, pulley) may be rotatably coupled to the base (138).
- the rotation shaft Z1 of the pulleys 138a and 138b may be parallel to the front-rear direction.
- the pulleys 138a and 138b may include a first pulley 138a and a second pulley 138b that are spaced apart from each other in the vertical direction.
- the rib 1361 protrudes from the side surface of the rack 136 adjacent to the pulleys 138a and 138b, and may be vertically movably fitted to the pulleys 138a and 138b.
- the pulleys 138a and 138b may include a first part 138a-1, a second part 138a-2, and a third part 138a-3.
- the first part 138a - 1 may contact the side surface of the rib 1361 between the second part 138a - 2 and the third part 138a - 3 .
- the second part 138a - 2 may contact the rear surface of the rib 1361 .
- the third part 138a - 3 may contact the front surface of the rib 1361 .
- the gap gd between the second part 138a - 2 and the third part 138a - 3 may be equal to or greater than the thickness of the rib 1361 . Accordingly, the pulleys 138a and 138b may limit the forward and backward flow and/or leftward flow while guiding the vertical movement of the rib 1361 and the rack 136 coupled thereto.
- the roller 139 may contact the side opposite to the side of the rack 136 adjacent to the pulleys 138a and 138b.
- the roller 139 may be rotatably coupled to the protrusion 1111 protruding from the inner surface of the fourth outer frame 111d toward the pinion 135e.
- the rotation shaft Z2 of the roller 139 may be parallel to the front-rear direction. Accordingly, the roller 139 may restrict the right flow of the rack 136 .
- the front frame 111h may be bent from the front end of the fourth outer frame 111d and be inclined at an acute angle with respect to the fourth outer frame 111d. Meanwhile, the fourth outer frame 111d forms a right side surface of the frame 111 and may be referred to as a side frame.
- the rear frame 111f may be coupled to the rear end of the fourth outer frame 111d and the rear end of the front frame 111h.
- the rear frame 111f may be located at the rear of the rack 136 .
- a fastening member such as a screw may penetrate the hole F of the rear frame 111f and be fastened to the rear end of the front frame 111h.
- the front frame 111h and the rear frame 111f may extend in the vertical direction, and the lower portion of the lower frame 117 may be longer than the upper portion of the lower frame 117 .
- the fourth outer frame 111d, the front frame 111h, and the rear frame 111f may partition an internal space in which the rack 136 is movable.
- the third outer frame 111c may also include a front frame 111h and a rear frame 111f, which will be described above and below.
- the first protrusion 1112 may protrude from the inner surface of the fourth outer frame 111d toward the rack 136 .
- the first protrusion 1112 may be in line contact with the rack 136 .
- a portion of the first protrusion 1112 in contact with the rack 136 may be formed to be curved or provided as an edge.
- the second protrusion 1113 may protrude from the inner surface of the front frame 111h toward the rib 1361 .
- the second protrusion 1113 may be in line contact with the rib 1361 .
- a portion of the second protrusion 1113 in contact with the rib 1361 may be formed to be curved or provided as an edge.
- the third protrusions 1362 and 1363 may protrude rearward from the rear surface of the rack 136 and may be in line contact with the rear frame 111f.
- a portion of the third protrusions 1362 and 1363 in contact with the rear frame 111f may be formed to be curved or provided as an edge.
- the first protrusion 1112 restricts the right flow of the rack 136
- the second protrusion 1113 restricts the front flow of the rack 136
- the rear frame 111f of the rack 136 Backflow can be restricted.
- the contact between the first protrusion 1112 and the rack 136 , the contact between the second protrusion 1113 and the rib 1361 , and the contact between the third protrusion 1362 and 1363 and the rear frame 111f are line contact. As it is formed, resistance due to contact between members is minimized, so that vertical movement of the rack 136 can be made smoothly.
- a display panel a frame on which the display panel is installed; a cover assembly having a cover positioned in front of the display panel and movably coupled to the frame; and a lift assembly installed on the frame and configured to move the cover assembly
- the lift assembly includes: a motor providing a rotational force; a pinion connected to the rotation shaft of the motor; and a rack engaged with the pinion and extending in a movement direction of the cover assembly, wherein the cover assembly provides a display device including: a bracket coupled to the rack at the rear of the display panel.
- the lift assembly may further include: a pair of lift assemblies spaced apart from each other in the left and right directions.
- the cover assembly further includes: a plate coupled to the cover at a rear side of the cover, and the bracket includes: a first part coupled to the plate at a rear side of the plate ; a second part bent backward from the first part; And, it further includes a third part that is bent from the second part to the left or right to face the first part, wherein the third part is located at the rear of the display panel, and may be coupled to the rack.
- the frame further includes a rail installed on the frame, positioned between the first part and the third part, and extending in the moving direction of the cover assembly, wherein the bracket comprises: : A guide fixed to the front surface of the third part and coupled to the rail may further include a guide movable along the rail.
- the rack includes: a body in which a gear engaged with the pinion is formed; a body having a depression formed while being depressed toward the pinion from the body; In addition, it may further include a supporter inserted into the depression and formed of a material different from that of the body.
- the rack is adjacent to the side surface of the rack, further comprising a pulley rotatable about an axis parallel to the front-rear direction, wherein the rack is: protruding from the side of the rack adjacent to the pulley , It may further include a rib fitted to the pulley movably in the vertical direction.
- the pulley may include: a first part contacting a side surface of the rib; a second part contacting the rear surface of the rib; And, it further includes a third part in contact with the front surface of the rib, the distance between the second part and the third part may be equal to or greater than the thickness of the rib.
- it may further include a roller that is in contact with a side opposite to the side of the rack adjacent to the pulley, and rotatable about an axis parallel to the front-rear direction.
- the frame includes: a side frame forming a side surface of the frame; a front frame that is bent from a front end of the side frame and is inclined at an acute angle with respect to the side frame; And, it further includes a rear frame coupled to the rear end of the side frame and the rear end of the front frame, wherein the side frame, the front frame, and the rear frame may partition an inner space in which the rack is movable.
- the side frame further includes: a first protrusion protruding from an inner surface of the side frame toward the rack, the outer surface of the first protrusion being capable of line contact with the rack can
- the front frame further includes: a second protrusion protruding from an inner surface of the front frame toward the rib, the outer surface of the second protrusion being capable of line contact with the rib can
- the rear frame is located at the rear of the rack, and the rack further includes: a third protrusion protruding rearward from the rear surface of the rack and capable of line contact with the rear frame.
- the lift assembly further includes a pad adjacent to the motor and having a grooved side surface, the lift assembly comprising: a mount on which the motor is mounted; And, it protrudes from the mount and further includes a flange inserted into the groove, the frame may further include: a guide frame having a boss coupled to the pad.
- the lift assembly further includes: a gear box accommodating a plurality of gears connected to the rotation shaft of the motor and the pinion, wherein the frame: extends in a left and right direction; It may further include a lower frame in which the gear box is installed.
- the cover may gradually cover the front surface of the display panel while ascending, or may gradually expose the front surface of the display panel to the outside while descending.
- configuration A described in a specific embodiment and/or drawings may be combined with configuration B described in other embodiments and/or drawings. That is, even if the combination between the configurations is not directly described, it means that the combination is possible except for the case where it is explained that the combination is impossible (For example, a configuration "A” described in one embodiment of the disclosure and the drawings. and a configuration "B" described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).
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Abstract
Description
Claims (15)
- 디스플레이 패널;상기 디스플레이 패널이 설치되는 프레임;상기 디스플레이 패널의 전방에 위치하는 커버를 구비하고, 상기 프레임에 이동 가능하게 결합되는 커버 어셈블리; 그리고,상기 프레임에 설치되고, 상기 커버 어셈블리를 이동시키는 리프트 어셈블리를 포함하고,상기 리프트 어셈블리는:회전력을 제공하는 모터;상기 모터의 회전축에 연결되는 피니언; 그리고,상기 피니언에 맞물리고, 상기 커버 어셈블리의 이동방향으로 연장되는 랙을 포함하고,상기 커버 어셈블리는:상기 디스플레이 패널의 후방에서 상기 랙에 결합되는 브라켓을 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 리프트 어셈블리는:좌우방향으로 서로 이격되는 한쌍의 리프트 어셈블리를 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 커버 어셈블리는:상기 커버의 후방에서 상기 커버에 결합되는 플레이트를 더 포함하고,상기 브라켓은:상기 플레이트의 후방에서 상기 플레이트에 결합되는 제1 파트;상기 제1 파트로부터 후방으로 밴딩되는 제2 파트; 그리고,상기 제2 파트로부터 좌측 또는 우측으로 밴딩되어 상기 제1 파트와 마주하는 제3 파트를 더 포함하고,상기 제3 파트는,상기 디스플레이 패널의 후방에 위치하고, 상기 랙에 결합되는 디스플레이 디바이스.
- 제3 항에 있어서,상기 프레임에 설치되고, 상기 제1 파트와 상기 제3 파트 사이에 위치하며, 상기 커버 어셈블리의 이동방향으로 연장되는 레일을 더 포함하고,상기 브라켓은:상기 제3 파트의 전면에 고정되고, 상기 레일에 결합되어 상기 레일을 따라서 이동 가능한 가이드를 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 랙은:상기 피니언에 맞물리는 기어가 형성되는 바디;로서, 상기 바디로부터 상기 피니언을 향해 함몰되면서 형성되는 함몰부를 구비하는 바디; 그리고,상기 함몰부에 삽입되고, 상기 바디와 다른 재질로 형성되는 서포터를 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 랙의 측면에 인접하고, 전후방향에 나란한 축을 중심으로 회전 가능한 풀리를 더 포함하고,상기 랙은:상기 풀리에 인접한 상기 랙의 측면로부터 돌출되어, 상기 풀리에 상하방향으로 이동 가능하게 끼워지는 리브를 더 포함하는 디스플레이 디바이스.
- 제6 항에 있어서,상기 풀리는:상기 리브의 측면에 접촉하는 제1 파트;상기 리브의 후면에 접촉하는 제2 파트; 그리고,상기 리브의 전면에 접촉하는 제3 파트를 더 포함하고,상기 제2 파트와 상기 제3 파트 사이의 간격은 상기 리브의 두께와 동일하거나 이보다 큰 디스플레이 디바이스.
- 제6 항에 있어서,상기 풀리에 인접한 상기 랙의 측면에 반대되는 측면에 접촉하고, 전후방향에 나란한 축을 중심으로 회전 가능한 롤러를 더 포함하는 디스플레이 디바이스.
- 제6 항에 있어서,상기 프레임은:상기 프레임의 측면을 형성하는 사이드 프레임;상기 사이드 프레임의 전단으로부터 밴딩되고, 상기 사이드 프레임에 대해 예각을 이루며 경사지게 배치되는 프론트 프레임; 그리고,상기 사이드 프레임의 후단과 상기 프론트 프레임의 후단에 결합되는 리어 프레임을 더 포함하고,상기 사이드 프레임, 상기 프론트 프레임, 그리고 상기 리어 프레임은,상기 랙이 이동 가능한 내부 공간을 구획하는 디스플레이 디바이스.
- 제9 항에 있어서,상기 사이드 프레임은:상기 사이드 프레임의 내면으로부터 상기 랙을 향해 돌출되는 제1 돌출부를 더 포함하고,상기 제1 돌출부의 외면은 상기 랙에 선 접촉 가능한 디스플레이 디바이스.
- 제9 항에 있어서,상기 프론트 프레임은:상기 프론트 프레임의 내면으로부터 상기 리브를 향해 돌출되는 제2 돌출부를 더 포함하고,상기 제2 돌출부의 외면은 상기 리브에 선 접촉 가능한 디스플레이 디바이스.
- 제9 항에 있어서,상기 리어 프레임은 상기 랙의 후방에 위치하고,상기 랙은:상기 랙의 후면으로부터 후방으로 돌출되어 상기 리어 프레임에 선 접촉 가능한 제3 돌출부를 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 모터에 인접하고, 그루브가 형성된 측면을 가지는 패드를 더 포함하고,상기 리프트 어셈블리는:상기 모터가 장착되는 마운트; 그리고,상기 마운트로부터 돌출되고, 상기 그루브에 삽입되는 플랜지를 더 포함하고,상기 프레임은:상기 패드에 결합되는 보스를 구비하는 가이드 프레임을 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 리프트 어셈블리는:상기 모터의 회전축과 상기 피니언에 연결되는 복수개의 기어들을 수용하는 기어 박스를 더 포함하고,상기 프레임은:좌우방향으로 연장되고, 상기 기어 박스가 설치되는 로어 프레임을 더 포함하는 디스플레이 디바이스.
- 제1 항에 있어서,상기 커버는,상승하면서 상기 디스플레이 패널의 전면을 점진적으로 덮거나,하강하면서 상기 디스플레이 패널의 전면을 점진적으로 외부로 노출시키는 디스플레이 디바이스.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2020/015704 WO2022102799A1 (ko) | 2020-11-10 | 2020-11-10 | 디스플레이 디바이스 |
DE112020007789.6T DE112020007789T5 (de) | 2020-11-10 | 2020-11-10 | Anzeigevorrichtung |
KR1020237016496A KR20230088897A (ko) | 2020-11-10 | 2020-11-10 | 디스플레이 디바이스 |
US18/036,147 US20230422415A1 (en) | 2020-11-10 | 2020-11-10 | Display device |
Applications Claiming Priority (1)
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PCT/KR2020/015704 WO2022102799A1 (ko) | 2020-11-10 | 2020-11-10 | 디스플레이 디바이스 |
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WO2022102799A1 true WO2022102799A1 (ko) | 2022-05-19 |
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PCT/KR2020/015704 WO2022102799A1 (ko) | 2020-11-10 | 2020-11-10 | 디스플레이 디바이스 |
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US (1) | US20230422415A1 (ko) |
KR (1) | KR20230088897A (ko) |
DE (1) | DE112020007789T5 (ko) |
WO (1) | WO2022102799A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100495216B1 (ko) * | 2003-03-18 | 2005-06-14 | 삼성전기주식회사 | 디스플레이 장치의 스크린 커버 장치 |
KR20100123009A (ko) * | 2009-05-14 | 2010-11-24 | 엘지전자 주식회사 | 디스플레이 장치 |
US20110304781A1 (en) * | 2010-06-15 | 2011-12-15 | Rowell John R | Video display concealment and viewing apparatus |
KR20150031525A (ko) * | 2013-09-16 | 2015-03-25 | 삼성전자주식회사 | 디스플레이 장치 |
KR20200114337A (ko) * | 2019-03-28 | 2020-10-07 | 엘지전자 주식회사 | 디스플레이 디바이스 |
-
2020
- 2020-11-10 US US18/036,147 patent/US20230422415A1/en active Pending
- 2020-11-10 DE DE112020007789.6T patent/DE112020007789T5/de active Pending
- 2020-11-10 WO PCT/KR2020/015704 patent/WO2022102799A1/ko active Application Filing
- 2020-11-10 KR KR1020237016496A patent/KR20230088897A/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100495216B1 (ko) * | 2003-03-18 | 2005-06-14 | 삼성전기주식회사 | 디스플레이 장치의 스크린 커버 장치 |
KR20100123009A (ko) * | 2009-05-14 | 2010-11-24 | 엘지전자 주식회사 | 디스플레이 장치 |
US20110304781A1 (en) * | 2010-06-15 | 2011-12-15 | Rowell John R | Video display concealment and viewing apparatus |
KR20150031525A (ko) * | 2013-09-16 | 2015-03-25 | 삼성전자주식회사 | 디스플레이 장치 |
KR20200114337A (ko) * | 2019-03-28 | 2020-10-07 | 엘지전자 주식회사 | 디스플레이 디바이스 |
Also Published As
Publication number | Publication date |
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KR20230088897A (ko) | 2023-06-20 |
DE112020007789T5 (de) | 2023-09-21 |
US20230422415A1 (en) | 2023-12-28 |
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