Abstract: The present invention provides a double-sided OLED display device, in which two adjacent ones of displaying sections (A) are arranged such that OLEDs of all the pixels (P) located in one of the displaying sections (A) are top-emission OLEDs (D), while the OLEDs of all the pixels (P) located in another one of the displaying sections (A) are bottom-emission OLEDs (D?). A user is allowed to observe normal displaying of images in two opposite directions associated with the front and rear sides of one OLED display device and there is no need to combine two display devices in a back-to-back manner to provide double-sided displaying so that the application range of the OLED display device can be widened, the amount of space occupied by the double-sided display device can be reduced, and aesthetics of the double-sided display devices can be greatly improved.

Abstract: The present disclosure discloses a white organic light emitting diode (WOLED) display panel, which comprises a thin film transistor (TFT) array substrate and a color filter layer and a light emitting structure layer sequentially disposed on the TFT array substrate, wherein the light emitting structure layer comprises an anode layer, a pixel defining layer, a white organic light emitting layer and a cathode layer that are sequentially disposed, wherein the pixel defining layer comprises pixel opening portions and pixel spacing portions for spacing adjacent two of the pixel opening portions, and wherein a protruding insulating post spacer is disposed on each of the pixel spacing portions, and a protruding bend portion is formed in a part of the white organic light emitting layer corresponding to and covering the post spacer. The present disclosure also discloses a display device comprising the WOLED display panel as above.

Abstract: The invention provides an AMOLED pixel driver circuit and pixel driving method. The AMOLED pixel driver circuit has a 6T2C structure, comprising a first thin film transistor (TFT) (T1), a second TFT (T2) forming mirror relation with the first TFT (T1), a third TFT (T3), a fourth TFT (T4), a fifth TFT (T5), a sixth TFT (T6), a first capacitor (C1), a second capacitor (C2) and an organic light-emitting diode (OLED) (D1), and receiving a first scan signal (Scant), a second scan signal (Scan2), a third scan signal (Scan3), a data signal (Data), and a predefined voltage (Vpre). The circuit can effectively compensate the threshold voltages of the driving TFT and the OLED, simplify the data signal, stabilize the current flowing through the OLED to ensure uniform light-emission of the OLED and improve display quality.

Abstract: A pixel compensation circuit, method and flat display device are disclosed. The pixel compensation circuit includes a first control terminal of a driving switch connected with a reference voltage terminal, control terminals of a first and second controllable terminal connected with a first and second scanning line; a first terminal of the second controllable switch connected with a second terminal of the driving switch; an anode of an OLED connected with the second terminal of the second controllable switch, a cathode is grounded; control terminals of a third and fourth controllable terminals connected with a third scanning line; the second control terminal of the driving switch is grounded through a capacitor; a first terminal of the fourth controllable switch connected with a second terminal of the driving switch and the second terminal connected with a data line. The present invention can avoid unstable current of OLED by a voltage drift.

Abstract: The invention provides an AMOLED pixel driver circuit and pixel driving method. The AMOLED pixel driver circuit has a 6T1C structure, comprising a first thin film transistor (TFT) (T1), a second TFT (T2) forming mirror relation with the first TFT (T1), a third TFT (T3), a fourth TFT (T4), a fifth TFT (T5), a sixth TFT (T6), a capacitor (c1), and an organic light-emitting diode (OLED) (D1), and receiving a first scan signal (Scan1), a second scan signal (Scan2), a third scan signal (Scan3), a data signal (Data), and a predefined voltage (Vpre). The circuit can effectively compensate the threshold voltage of the driving TFT to solve the problem of unstable current flowing through the OLED caused by the threshold voltage drift. Moreover, the use of double-gate TFT as driving TFT allows designating the threshold voltage of the driving TFT through inputting predefined voltage.

Abstract: The invention provides an AMOLED pixel driver circuit and pixel driving method. The AMOLED pixel driver circuit has a 6T1C structure, comprising a first thin film transistor (TFT) (T1), a second TFT (T2) forming mirror relation with the first TFT (T1), a third TFT (T3), a fourth TFT (T4), a fifth TFT (T5), a sixth TFT (T6), a capacitor (c1), and an organic light-emitting diode (OLED) (D1), and receiving a first scan signal (Scan1), a second scan signal (Scan2), a third scan signal (Scan3), a data signal (Data), and a predefined voltage (Vpre). The circuit can effectively compensate the threshold voltage of the driving TFT to solve the problem of unstable current flowing through the OLED caused by the threshold voltage drift. Moreover, the use of double-gate TFT as driving TFT allows designating the threshold voltage of the driving TFT through inputting predefined voltage.

Abstract: The present disclosure relates to a liquid crystal device and the compensation circuit for organic light emitting diodes (OLEDs) thereof. The compensation circuit of the OLED includes a first switch unit, a second switch unit, a third switch unit, and a fourth switch unit. When the first switch unit and the second switch unit are turned off and the third switch unit and the fourth switch unit are turned on, the compensation circuit drives the OLED to emit light to compensate the OLED. With such configuration, the current passing through the OLED is prevented from being drifted caused by the threshold voltage of the TFT.

Abstract: The invention provides an AMOLED pixel driver circuit and pixel driving method. The AMOLED pixel driver circuit has a 6T2C structure, comprising a first thin film transistor (TFT) (T1), a second TFT (T2) forming mirror relation with the first TFT (T1), a third TFT (T3), a fourth TFT (T4), a fifth TFT (T5), a sixth TFT (T6), a first capacitor (C1), a second capacitor (C2) and an organic light-emitting diode (OLED) (D1), and receiving a first scan signal (Scant), a second scan signal (Scan2), a third scan signal (Scan3), a data signal (Data), and a predefined voltage (Vpre). The circuit can effectively compensate the threshold voltages of the driving TFT and the OLED, simplify the data signal, stabilize the current flowing through the OLED to ensure uniform light-emission of the OLED and improve display quality.

Abstract: The present invention provides an AMOLED pixel driving circuit and a pixel driving method. By utilizing the dual gate thin film transistor to be the drive thin film transistor, in the pre-charge stage, the preset voltage (Vpre) is written to the bottom gate (BG) of the first thin film transistor (T1), and the power source voltage (VDD) is written to the top gate; in the threshold voltage programming stage, the voltage of the top gate (TG) of the first thin film transistor (T1) drops, and the threshold voltage is raised until the threshold voltage is lifted up to Vth=Vpre?VOLED; in the drive stage, the voltage of the top gate (TG) is kept unchanged to keep the threshold voltage remaining to be Vth=Vpre?VOLED, and the data signal Data drives the first thin film transistor (T1) to be activated to make the organic light emitting diode (D1) emit light.

Abstract: The disclosure discloses a liquid crystal display device and a compensation circuit of an organic light emitting diode thereof. The compensation circuit at least includes: a first switch unit, a second switch unit, a third switch unit and a fourth switch unit, when the first switch unit is off, the second switch unit, the third switch unit and the fourth switch unit are on, the compensation circuit drives the organic light-emitting diode to irradiate, in order to compensate the organic light-emitting diode. By the manner above, the disclosure can prevent influence of drift of the threshold voltage of the thin film transistor on the current passing through the organic light-emitting diode.

Abstract: The present invention provides an AMOLED pixel driving circuit and a pixel driving method. By utilizing the dual gate thin film transistor to be the drive thin film transistor, in the pre-charge stage, the preset voltage (Vpre) is written to the bottom gate (BG) of the first thin film transistor (T1), and the power source voltage (VDD) is written to the top gate; in the threshold voltage programming stage, the voltage of the top gate (TG) of the first thin film transistor (T1) drops, and the threshold voltage is raised until the threshold voltage is lifted up to Vth=Vpre?VOLED; in the drive stage, the voltage of the top gate (TG) is kept unchanged to keep the threshold voltage remaining to be Vth=Vpre?VOLED, and the data signal Data drives the first thin film transistor (T1) to be activated to make the organic light emitting diode (D1) emit light.

Abstract: The present disclosure relates to a liquid crystal device and the compensation circuit for organic light emitting diodes (OLEDs) thereof. The compensation circuit of the OLED includes a first switch unit, a second switch unit, a third switch unit, and a fourth switch unit. When the first switch unit and the second switch unit are turned off and the third switch unit and the fourth switch unit are turned on, the compensation circuit drives the OLED to emit light to compensate the OLED. With such configuration, the current passing through the OLED is prevented from being drifted caused by the threshold voltage of the TFT.

Abstract: A pixel compensation circuit, method and flat display device are disclosed. The pixel compensation circuit includes a first control terminal of a driving switch connected with a reference voltage terminal, control terminals of a first and second controllable terminal connected with a first and second scanning line; a first terminal of the second controllable switch connected with a second terminal of the driving switch; an anode of an OLED connected with the second terminal of the second controllable switch, a cathode is grounded; control terminals of a third and fourth controllable terminals connected with a third scanning line; the second control terminal of the driving switch is grounded through a capacitor; a first terminal of the fourth controllable switch connected with a second terminal of the driving switch and the second terminal connected with a data line. The present invention can avoid unstable current of OLED by a voltage drift.

Abstract: The present invention provides an AMOLED pixel driving circuit and a pixel driving method. The AMOLED pixel driving circuit utilizes the 5T1C structure and comprises a first, a second, a third, a fourth and a fifth thin film transistors (M1, M2, M3, M4 and M5), a capacitor (C1) and an organic light emitting diode (D1). The AMOLED pixel driving circuit directly acquires a threshold voltage of the fourth thin film transistor (M4), i.e. the drive thin film transistor to implement threshold voltage compensation; by inputting the data signal (Data) to the source of the fourth thin film transistor (M4), i.e. the drive thin film transistor, the circuit reads the data signal (Data) at the same time while acquiring the threshold voltage of the drive thin film transistor to promote the working efficiency of the circuit; by setting one end of the capacitor (C1) to be coupled to a gate of the fourth thin film transistor (M4), i.e.

Abstract: The invention discloses a display panel and a manufacturing method thereof, and the display panel comprises a first substrate and a second substrate disposing correspondingly to each other, a pixel array disposed between the first substrate and the second substrate and an electrode disposed on a first substrate surface near the second substrate, and a through hole is disposed correspondingly to the second substrate and the electrode to expose part of the electrode by passing through the through hole. By applying the above-described method, the invention can achieve embedding functional components within the display panel, furthermore save a disposing space, increase a screen portion of display panel, and then improve using experiences of users.

Abstract: The invention discloses a display panel and a manufacturing method thereof, and the display panel comprises a first substrate and a second substrate disposing correspondingly to each other, a pixel array disposed between the first substrate and the second substrate and an electrode disposed on a first substrate surface near the second substrate, and a through hole is disposed correspondingly to the second substrate and the electrode to expose part of the electrode by passing through the through hole. By applying the above-described method, the invention can achieve embedding functional components within the display panel, furthermore save a disposing space, increase a screen portion of display panel, and then improve using experiences of users.

Abstract: The AMOLED pixel driving circuit provided by the present invention, by adding the thin film transistor (M2) controlled by the irradiance control signal (EM) between the organic light emitting diode (D1) and the direct current power supply voltage (VDD) or by utilizing the alternating current power supply voltage (VDD) to control whether the organic light emitting diode (D1) emits light or not to set the irradiance control signal (EM) or the alternating current power supply voltage (VDD) to provide high voltage level only in the drive stage and to provide low voltage level in the rest stages, makes the OLED to be in off state in the irradiance unnecessary period and stops the OLED emitting light in the irradiance unnecessary period.

Abstract: The present invention provides an AMOLED pixel driving circuit and a pixel driving method. The AMOLED pixel driving circuit utilizes the 5T1C structure and comprises a first, a second, a third, a fourth and a fifth thin film transistors (M1, M2, M3, M4 and M5), a capacitor (C1) and an organic light emitting diode (D1). The AMOLED pixel driving circuit directly acquires a threshold voltage of the fourth thin film transistor (M4), i.e. the drive thin film transistor to implement threshold voltage compensation; by inputting the data signal (Data) to the source of the fourth thin film transistor (M4), i.e. the drive thin film transistor, the circuit reads the data signal (Data) at the same time while acquiring the threshold voltage of the drive thin film transistor to promote the working efficiency of the circuit; by setting one end of the capacitor (C1) to be coupled to a gate of the fourth thin film transistor (M4), i.e.

Abstract: The present invention provides an AMOLED pixel driving circuit and a pixel driving method. The AMOLED pixel driving circuit comprises: a first, a second, a third, a fourth, a fifth, a sixth thin film transistors (M1, M2, M3, M4, M5, M6), a first, a second capacitors (C1, C2) and an organic light emitting diode (D1); wherein the third thin film transistor (M3) is a mirror thin film transistor, and the fourth thin film transistor (M4) is a drive thin film transistor, and the second thin film transistor (M2) is located between the third and the fourth thin film transistors (M3, M4). By controlling activation and deactivation of the second thin film transistor (M2) according to time sequence with the restore signal (Restore), the source voltage of the third thin film transistor (M3is controlled to be pulled down to the earth voltage level (GND) in the restore stage to ensure that ensure that the gate-source voltages of the third, the fourth thin film transistors (M3, M4) are equal.

Abstract: The present invention discloses a display panel and a manufacture method thereof. The display panel comprises a first substrate, a second substrate and a middle layer, sandwiched between the first substrate and the second substrate. An opening penetrating at least one of the first substrate and the second substrate is formed in an active area of at least one of the first substrate and the second substrate. According to the aforesaid arrangement, the present invention is capable of reserving space to add new functions for the active area of the display panel.