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A manual learning aid device (10) for one or more subjects, in particular usable to learn or improve the ability to count and/or perform numerical calculations, comprises a plurality of cards or tokens (12) and at least one collecting stick (14) provided with a longitudinal collection surface (15), along the extension of which there are a plurality of discrete sealings (16), each configured to receive and stably and removably retain a respective card or token (12).

An example method includes: causing, by one or more processors of a system on a chip (SoC) of a mobile computing device, a display driver integrated circuit (DDIC) to display a first frame at a display of the mobile computing device; obtaining, by the one or more processors, values of one or more context parameters that indicate a current status of the mobile computing device; determining, by the one or more processors and based on the values of the one or more context parameters, a quantity of frames to insert after display of the first frame; and causing, subsequent to the display of the first frame and by the one or more processors, the DDIC to insert the determined quantity of frames after display of the first frame and prior to display of a subsequent frame that is different than the first frame.

本申请实施例提供了一种显示设备的伽马寄存器值确定方法、装置及电子设备，涉及显示技术领域，该方法包括：获取目标显示设备的多个参考刷新率的参考伽马寄存器值；针对每一参考刷新率，基于预先建立的该参考刷新率的伽马寄存器值与目标刷新率的伽马寄存器值之间的映射关系，确定该参考刷新率的参考伽马寄存器值所映射的伽马寄存器值；基于各个参考刷新率的参考伽马寄存器值所映射的伽马寄存器值，确定目标显示设备的目标刷新率的伽马寄存器值。应用本申请实施例能够在保证显示设备的伽马寄存器值准确性的同时，减少显示设备调谐的工作量。

本申请涉及折叠显示设备技术领域，尤其是涉及一种用于折叠显示的背板结构及折叠显示设备，包括两个背板和弹性底托，两个背板之间通过铰链结构转动相连，并在相对的一侧形成有转动缝隙；弹性底托内部中空，并设置于铰链结构与两个背板之间，弹性底托两侧分别与两个背板相连，弹性底托内部在转动缝隙的下方设置多个呈阵列设置的弹性储液室，弹性储液室内部设有剪切增稠液，相邻的弹性储液室之间连通有供剪切增稠液流动的狭缝，两个背板偏转合拢时，带动弹性底托拉伸，并挤压剪切增稠液，以降低两个背板合拢时的末端速度，降低了对显示模组的冲击；两个背板偏转张开时，带动弹性底托回缩，以辅助铰链结构张开两个背板，降低了张开阻力。

Eine Einrichtung umfasst mehrere Vorrichtungstreiberschaltungen, die jeweils konfigurierbar sind zum Ansteuern einer oder mehrerer Vorrichtungen eines spezifischen Typs, wobei die mehreren Vorrichtungstreiberschaltungen seriell in einer Kettenschaltung verbunden sind und wobei jede der mehreren Vorrichtungstreiberschaltungen Folgendes umfasst: einen Dateneingangsanschluss, konfigurierbar zum Empfangen eines Dateneingangssignals, einen Takteingangsanschluss, konfigurierbar zum Empfangen eines Takteingangssignals, einen Datenausgangsanschluss, konfigurierbar zum Senden eines Datenausgangssignals, einen Taktausgangsanschluss, konfigurierbar zum Senden eines Taktausgangssignals, und einen Inverter, konfigurierbar zum Erzeugen des Taktausgangssignals durch Invertieren des Takteingangssignals.

本发明公开了一种火灾发展及延迟爆燃现象的模拟演示方法与系统，涉及消防科学技术领域，包括以下步骤：S1、检查模拟演示系统的气密性，确认控制机箱、爆燃演示箱、液化气供给机构、空气供给机构均处于正常待机状态；该发明采用独立双路持续供气与浓度精准调控的模拟演示方式替代传统简易燃烧试验，通过封闭腔体与流量协同调节完整复现火灾动态过程，无需依赖理论推演或不可控燃烧测试，可最大程度还原火灾发展、气体蓄积至延迟爆燃的真实规律，同时将混合气体浓度稳定控制在爆炸极限区间，精准复现火焰蔓延与冲击波释放过程，从根本上解决现有消防演示可视性差、可控性低、风险展示不足的问题，显著提升实操教学效果与安全认知水平。

A driver device configured to drive a display panel to display images is provided. The driver device includes a storage circuit, a processor circuit, and a source driving circuit. The storage circuit stores image processing parameters. The processor circuit receives an input frame data and a selecting signal indicating a first subpixel rendering (SPR) format that the input frame data is in. The processor circuit processes the input frame data according to a part of the image processing parameters which is selected according to the selecting signal, to generate the output frame data. The source driving circuit receives a first frame data in a subpixel arrangement format from the processor circuit, and generates data voltages according to the first frame data to drive subpixels of the display panel. The subpixels of the display panel are arranged in the subpixel arrangement format.

The disclosure discloses a pixel circuit, a display panel, and a display device. The display device comprises: a light emitting device with a second terminal coupled to a low voltage signal line; a drive thin film transistor with a second terminal coupled to a first terminal of the light emitting device; a light emitting control thin film transistor with a first terminal coupled to a high voltage signal line, and a second terminal coupled to a first terminal of the drive thin film transistor; a switch thin film transistor, which controls data voltage to be written into a control terminal of the drive thin film transistor; a reset thin film transistor, which resets potential of the control terminal of the drive thin film transistor; and a storage capacitor, coupled to the control terminal and the second terminal of the drive thin film transistor. The reset thin film transistor resets the control electrode of the drive thin film transistor before writing a data voltage signal, thus stabilizing the potential of the control electrode of the drive thin film transistor, and effectively improving the reliability of the display device.