Please select the most similar patent number from A, B, C and D. Which number is?
An actuator (100) for adjusting a display terminal (500), and a vehicle (800). The actuator (100) comprises: a housing (10), a mounting unit (20), a driving unit (40), and a clutch unit (30). The display terminal (500) is mounted on the mounting unit (20), one end of the mounting unit (20) being inserted into an inner space of the housing (10), the clutch unit (30) is provided between the mounting unit (20) and the housing (10), and the driving unit (40) is provided on the housing (10) and is connected to the mounting unit (20), so as to drive the mounting unit (20) to move.
A: Disclosed is an execution mechanism (100) for adjusting a display terminal, comprising: a power source (75a), and a driving mechanism connected to the power source (75a), wherein the driving mechanism is connected to a display terminal (1) to drive the display terminal (1) to eccentrically rotate, and the center of the display terminal (1) deviates from the initial center of the display terminal (1) during the process of rotating. The driving mechanism comprises a rotating shaft (79), the axis of an output end of the rotating shaft (79) not coinciding with the axis of an input end of the rotating shaft (79), and further comprises a sliding mechanism (3) and a rotating mechanism (7), the sliding mechanism (3) being connected to the display terminal (1). The power source is used to drive the display terminal (1) to rotate by means of the rotating mechanism (7), and the sliding mechanism (3) moves along with the rotation of the display terminal (1) so as to move the display terminal (1). Further disclosed are a display terminal assembly comprising an execution mechanism (100), and a vehicle (1000).
B: A bicycle driving system (10), comprising: a drive unit (15), which comprises a housing, a motor unit (20) accommodated within the housing, and a first-stage deceleration unit (30), the motor unit being provided with a stator (21), a rotor (22) and an output shaft of the motor unit, the first-stage deceleration unit being provided with an input part and an output part, and the input part being connected to the output shaft of the motor unit; a mounting unit (50), which is configured to fix and hold the drive unit to a bicycle body (70); and a second-stage deceleration unit (40), which is detachably mounted on the first-stage deceleration unit at the exterior of the drive unit and which is connected to a foot pedal assembly (80), so that the driving force from the output part of the first-stage deceleration unit is transmitted to a crankset (82) of the food pedal assembly. The drive unit, the mounting unit and the second-stage deceleration unit are each modularly assembled on a bicycle. The described driving system may be flexibly configured to meet the individual requirements of users.
C: A liquid crystal display panel (2) and a liquid crystal display containing the liquid crystal display panel (2). The liquid crystal display panel comprises: a gate drive module (10), a display unit (20) and a plurality of COF encapsulation units (30a, 30b) arranged at one side of the display unit (20); an output leading wire (40) of the plurality of COF encapsulation units (30a, 30b) is connected to a gate leading wire (50) of the display unit (20); the plurality of COF encapsulation units (30a, 30b) are sequentially connected in series through a signal leading wire (60) and then are connected to the gate drive module (10); the gate drive module (10) provides a scanning signal for the display unit (20) through the plurality of COF encapsulation units (30a, 30b); a first insulation pattern layer (70a) is laid on the gate leading wire (50); a via hole structure (80) is arranged in the first insulation pattern layer (70a); and the output leading wire (40) is connected to the gate leading wire (50) by a metal leading wire (90) through the via hole structure (80), wherein the contact area of a first via hole structure (80a) connected to a previous COF encapsulation unit (30a) is less than that of a second via hole structure (80b) connected to a later COF encapsulation unit (30b).
D: An in vitro diagnostic analysis system, and an optical detection apparatus. The optical detection apparatus comprises a lens module (10), a light source module (20), a detection module (30) and a driver. The lens module (10) comprises a first mounting unit (100), a dichroscope (200), an excitation sheet (300) and an emission sheet (400), wherein the dichroscope (200) and the excitation sheet (300) are arranged, spaced apart from each other, on the first mounting unit (100), and the dichroscope matches the excitation sheet (300) to form an excitation light path; and the dichroscope (200) and the emission sheet (400) are arranged, spaced apart from each other, on the first mounting unit (100), and the dichroscope matches the emission sheet (400) to form an emission light path. The light source module (20) comprises a second mounting unit (22) and a light-emitting member (24), wherein the light-emitting member (24) is arranged on the second mounting unit (22), and the light-emitting member (24) and the excitation sheet (300) are arranged spaced apart from each other. The detection module (30) comprises a third mounting unit (32) and a detection element (34), wherein the detection element (34) is arranged on the third mounting unit (32), and the detection element (34) and the emission sheet (400) are arranged spaced apart from each other. The driver is used for driving the first mounting unit (100) to move.
Answer: A