Angle adjustment device, support, and display device

A display device comprising:

• a display panel;
• a first flat-plate portion;
• a second flat-plate portion;
• a first angle adjustment device;
• a second angle adjustment device;
• and
• a first joining component,
• wherein the display panel overlaps with the first flat-plate portion, the second flat-plate portion, and a bend portion provided between the first flat-plate portion and the second flat-plate portion,
• wherein the bend portion comprises a plurality of columnar bodies,
• wherein the first angle adjustment device comprises a first base component and a second base component,
• wherein the second angle adjustment device comprises a third base component and a fourth base component,
• wherein one end portion of a first columnar body of the plurality of columnar bodies in a longitudinal direction is joined to one of the first base component and the second base component,
• wherein the other end portion of the first columnar body of the plurality of columnar bodies in the longitudinal direction is joined to one of the third base component and the fourth base component,
• wherein the first joining component comprises a first opening portion and a first notch portion, and
• wherein the first base component and the second base component are joined to each other via the first joining component.

A display device comprising:

• a display panel;
• a first flat-plate portion;
• a second flat-plate portion;
• a first angle adjustment device;
• a second angle adjustment device;
• a first joining component;
• and
• a second joining component,
• wherein the display panel overlaps with the first flat-plate portion, the second flat-plate portion, and a bend portion provided between the first flat-plate portion and the second flat-plate portion,
• wherein the bend portion comprises a plurality of columnar bodies,
• wherein the first angle adjustment device comprises a first base component and a second base component,
• wherein the second angle adjustment device comprises a third base component and a fourth base component,
• wherein one end portion of a first columnar body of the plurality of columnar bodies in a longitudinal direction is joined to one of the first base component and the second base component,
• wherein the other end portion of the first columnar body of the plurality of columnar bodies in the longitudinal direction is joined to one of the third base component and the fourth base component,
• wherein the first joining component comprises a first opening portion and a first notch portion,
• wherein the second joining component comprises a second opening portion and a second notch portion, and
• wherein the first base component and the second base component are joined to each other via the first joining component and the second joining component.