WO-2026095081-A1 - BENDABLE DISPLAY DEVICE

WO2026095081A1WO 2026095081 A1WO2026095081 A1WO 2026095081A1WO-2026095081-A1

Abstract

Provided is a bendable display device comprising: a base module; a display module including a first planar portion, a second planar portion, and a variable portion; and a bending module configured to transition display module from a first state in which the first planar portion and the second planar portion are positioned on the base module to a second state in which the variable portion is bent to cause the first planar portion to face a second direction, wherein the bending module comprises: a rear plate coupled to the rear surface of the first planar portion of the display module; a rotation arm extending from the rear plate in a direction away from the rear surface of the display module; and a first driving unit for providing power in a first direction, wherein, when the first driving unit provides power in the first direction, the rotation arm rotates and the display module transitions to the second state.

Inventors

KANG, Seongbin
LIM, Seongcheol
CHANG, Sungsoo
YIM, SOOHWAN

Assignees

엘지전자 주식회사

Dates

Publication Date: 20260507
Application Date: 20241028

Claims (20)

Base module including a guide wall; A display module comprising a first planar section, a second planar section, and a bendable part located between the first planar section and the second planar section; and It includes a bending module that bends the variable part to switch from a first state in which the first planar part faces a first direction to a second state in which the first planar part faces a second direction, and The above bending module is A rear plate coupled to the back surface of the first planar portion of the display module; A rotating arm extending from the rear plate in a direction spaced apart from the back surface of the display module; A bending link connected to the rotating arm via a rotating shaft at one end; and It includes a first driving unit that provides power in a first direction to the above bending link, When the first driving unit provides power in the first direction, the rotating arm rotates and the display module switches to the second state. Bendable display device.
In paragraph 1, The above guide wall includes a bending guide rail formed on the side, and The above-mentioned rotating arm includes a bending guide pin that moves along the bending guide rail, and The bending guide rail is characterized by including a straight section extending in the first direction and an inclined section bent at a predetermined angle at the end of the straight section in the first direction. Bendable display device.
In paragraph 2, The above guide wall is A first guide wall having a first bending guide rail formed on a first surface; and It includes a second guide wall having a second bending guide rail formed on a second surface facing the first surface, and The above-mentioned rotating arm is located between the first guide wall and the second guide wall, and The above bending guide pin is A first bending guide pin that moves along the first bending guide rail; and Characterized by including a second bending guide pin that moves along the second bending guide rail. Bendable display device.
In paragraph 3, The first bending guide rail includes a first straight section and a first inclined section whose height decreases in the first direction, and The second bending guide rail is characterized by including a second straight section formed at a position lower than the straight section of the first bending guide rail and a second inclined section that increases in height in the first direction and becomes higher than the first inclined section. Bendable display device.
In paragraph 4, Characterized by the first bending guide pin reaching the first inclined portion before the second bending guide pin reaches the second inclined portion. Bendable display device.
In paragraph 3, It includes a third bending guide rail formed on the second guide wall, and The above-mentioned rotating arm includes a third bending guide pin that moves along the third bending guide rail, and The above third bending guide pin is In the first state above, it is spaced apart from the display module, and Characterized by being positioned adjacent to the back surface of the display module in the second state above. Bendable display device.
In paragraph 6, The third bending guide rail has an open end in the first direction, and The bending guide pin is characterized by deviating from the third bending guide rail in the second state. Bendable display device.
In paragraph 6, The above bending link is Characterized by the insertion of the third bending guide pin in the second state. Bendable display device.
In paragraph 6, The first bending guide pin, the second bending guide pin, and the third bending guide pin are arranged to form a triangle, and When transitioning to the second state Characterized by the rotating arm rotating such that in the first state, the second bending guide pin is located at the lowest position, and in the second state, the third bending guide pin is located at the highest position. Bendable display device.
In paragraph 3, A fixing pin protruding from the above guide wall; and Characterized by including a fixing slot formed in the rotating arm and into which the fixing pin is inserted in the second state. Bendable display device.
In paragraph 1, The angle between the rear plate and the rotating arm corresponds to the arrangement angle of the first planar part and the second planar part in the second state, and In the second state above, the rotating arm is characterized by contacting the back surface of the variable part or the second planar part of the display module. Bendable display device.
In paragraph 1, A slide rail formed on the side of the guide wall and extending in the first direction; and It includes a first slide guide pin that moves along the slide rail and a slide frame having a shaft slot formed therein to which the rotation shaft is connected. The above slide frame is characterized by moving in a first direction when the first driving unit is driven. Bendable display device.
In Paragraph 12, The above slide frame is The above shaft slot has an arch shape with a predetermined curvature; Characterized that in the second state of the above variable part, the center of curvature corresponds to the center of curvature of the shaft slot. Bendable display device.
In Paragraph 13, The center of curvature of the shaft slot is characterized by being located lower than the bottom of the slide frame. Bendable display device.
In Paragraph 13, The above rotating shaft is In the first state, it is located at one end of the shaft slot, and in the second state, it is located at the other end of the shaft slot. The above rotating arm Characterized by rotating at an angle corresponding to the extension angle of the shaft slot when transitioning from a first state to a second state. Bendable display device.
In paragraph 1, It includes a slide rail formed on the side of the guide wall and extending in the first direction, The above first driving unit is, Motor installed in the above base module; A ball screw that rotates by receiving the rotational force of the above motor; A driving nut through which the ball screw passes and which moves in the first direction when the ball screw rotates; A drive frame to which the drive nut is coupled and to which the other end of the bending link is rotatably coupled; and Characterized by including a second slide guide pin located on the side of the drive frame and inserted into the slide rail to move in the first direction. Bendable display device.
In paragraph 1, A slide frame having a shaft slot formed therein to which the above-mentioned rotating shaft is fastened; and It includes a second driving unit mounted on the slide frame and providing power in the first direction to the second planar portion, The second driving unit is characterized by driving the second planar portion to slide in the first direction in correspondence with the tolerance according to the radius of curvature of the display module when the first driving unit operates. Bendable display device.
In Paragraph 17, A rear pin formed on the first planar portion of the display module; and It includes a rear slot formed in the rear plate and into which the rear pin is inserted, The second driving unit slides the second planar part in the first direction in the second state to switch the display module to a third state, and The rear pin is characterized by sliding on the rear slot when transitioning from the second state to the third state. Bendable display device.
In Paragraph 18, A first display rail formed on the slide frame above; A second display rail formed on the rear plate and arranged continuously in a first direction with respect to the first display rail; and It includes a first display pin protruding from the back surface of the above variable part, The first display pin is characterized by moving from the first display rail to the second display rail when transitioning from the first state to the second state. Bendable display device.
In Paragraph 19, The above rear plate is The end adjacent to the above variable part includes a curved support member bent with a predetermined curvature, and The above second display rail is The portion formed on the above-mentioned curved support is characterized by having an open front surface. Bendable display device.

Description

Bendable display device The present invention relates to a deformable display device, and more specifically, to a display device that changes position and is stored or withdrawn as needed. A vehicle is a device that drives in the direction desired by the user, and recently, it is equipped not only with an engine and wheels for driving but also with various devices for the user's safety and convenience. Vehicle convenience features are driven by development motives related to driver convenience, such as providing infotainment (information + entertainment) functions to the vehicle, supporting partial autonomous driving functions, or helping to secure the driver's visibility, such as night vision or blind spots. Examples include active cruise control (ACC), smart parking assist system (SPAS), night vision (NV), head-up display (HUD), around view monitor (AVM), and adaptive headlight system (AHS). In addition, vehicle safety features are technologies that ensure the safety of the driver and/or pedestrians, such as the lane departure warning system (LDWS), lane keeping assist system (LKAS), and autonomous emergency braking (AEB). Instrument clusters, which were used to provide information about the vehicle's status, are becoming digitized and are increasingly being replaced by display devices. Additionally, the center fascia, located between the driver and passenger seats, which previously only had output functions, now functions as an input device with the addition of touch capabilities. Displays not only output information but are also equipped with touch sensors to enable simultaneous touch input, allowing them to function as both output and input units; consequently, the size of display devices applied to vehicles is trending upwards. While increasing the size of the display panel for ease of use is desirable, it occupies a large area when not in use, and if it takes up too much space when turned off, it can detract from the vehicle's interior design. There is a need for a display device that can be pulled out only when necessary to provide a screen of sufficient size without compromising the vehicle's interior design elements. FIG. 1 is a drawing illustrating the exterior of a vehicle according to an embodiment of the present invention. FIG. 2 is a drawing showing the interior of a vehicle according to an embodiment of the present invention. FIG. 3 is a perspective view illustrating a first state of a display device according to one embodiment of the present invention. FIG. 4 is a perspective view illustrating a second state of a display device according to one embodiment of the present invention. FIG. 5 is a perspective view illustrating a third state of a display device according to one embodiment of the present invention. FIG. 6 is an exploded perspective view of a display device according to one embodiment of the present invention. FIG. 7 is an exploded perspective view illustrating a base module of a display device according to one embodiment of the present invention. FIG. 8 is a perspective view of a bending module of a display device according to one embodiment of the present invention, viewed from above. FIG. 9 is a perspective view of a bending module of a display device according to one embodiment of the present invention, viewed from the bottom. FIG. 10 is a perspective view of a slide module of a display device according to one embodiment of the present invention, viewed from above. FIG. 11 is a perspective view of a slide module of a display device according to one embodiment of the present invention, viewed from the bottom. FIGS. 12 to 15 are side perspective views illustrating the process of switching from a first state to a third state of a display device according to an embodiment of the present invention. FIG. 16 is a perspective view showing a shaft slot and a rotating shaft in a first state of a display device according to one embodiment of the present invention. FIG. 17 is a side view illustrating a shaft slot and a rotating shaft in a first state of a display device according to an embodiment of the present invention. FIG. 18 is a side view illustrating a shaft slot and a rotating shaft in a second state of a display device according to one embodiment of the present invention. FIG. 19 is a drawing illustrating a second state of a display device when there is no shaft slot. FIG. 20 is a perspective view of a slide module and a display module viewed from below in a second state of a display device according to one embodiment of the present invention. FIG. 21 is a perspective view of a slide module and a display module viewed from below in a third state of a display device according to one embodiment of the present invention. FIG. 22 is a drawing illustrating a rear slot and a rear pin of a display device according to one embodiment of the present invention. FIGS. 23 to 26 are cross-sectional views illustrating the process of switching from a first state to a third state of a display devi